16645648400

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{13291}}^1$

素因数の和:13441

約数の個数: 120

約数和(自身を含む): 41693069568

約数和(自身を除く): 25047421168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 101, 124, 155, 200, 202, 248, 310, 400, 404, 496, 505, 620, 775, 808, 1010, 1240, 1550, 1616, 2020, 2480, 2525, 3100, 3131, 4040, 5050, 6200, 6262, 8080, 10100, 12400, 12524, 13291, 15655, 20200, 25048, 26582, 31310, 40400, 50096, 53164, 62620, 66455, 78275, 106328, 125240, 132910, 156550, 212656, 250480, 265820, 313100, 332275, 412021, 531640, 626200, 664550, 824042, 1063280, 1252400, 1329100, 1342391, 1648084, 2060105, 2658200, 2684782, 3296168, 4120210, 5316400, 5369564, 6592336, 6711955, 8240420, 10300525, 10739128, 13423910, 16480840, 20601050, 21478256, 26847820, 32961680, 33559775, 41202100, 41614121, 53695640, 67119550, 82404200, 83228242, 107391280, 134239100, 164808400, 166456484, 208070605, 268478200, 332912968, 416141210, 536956400, 665825936, 832282420, 1040353025, 1664564840, 2080706050, 3329129680, 4161412100, 8322824200, 16645648400]

約数ペア:

[(1, 16645648400), (2, 8322824200), (4, 4161412100), (5, 3329129680), (8, 2080706050), (10, 1664564840), (16, 1040353025), (20, 832282420), (25, 665825936), (31, 536956400), (40, 416141210), (50, 332912968), (62, 268478200), (80, 208070605), (100, 166456484), (101, 164808400), (124, 134239100), (155, 107391280), (200, 83228242), (202, 82404200), (248, 67119550), (310, 53695640), (400, 41614121), (404, 41202100), (496, 33559775), (505, 32961680), (620, 26847820), (775, 21478256), (808, 20601050), (1010, 16480840), (1240, 13423910), (1550, 10739128), (1616, 10300525), (2020, 8240420), (2480, 6711955), (2525, 6592336), (3100, 5369564), (3131, 5316400), (4040, 4120210), (5050, 3296168), (6200, 2684782), (6262, 2658200), (8080, 2060105), (10100, 1648084), (12400, 1342391), (12524, 1329100), (13291, 1252400), (15655, 1063280), (20200, 824042), (25048, 664550), (26582, 626200), (31310, 531640), (40400, 412021), (50096, 332275), (53164, 313100), (62620, 265820), (66455, 250480), (78275, 212656), (106328, 156550), (125240, 132910)]