129881960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{2473}}^1$

素因数の和:2598

約数の個数: 64

約数和(自身を含む): 317958480

約数和(自身を除く): 188076520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 101, 104, 130, 202, 260, 404, 505, 520, 808, 1010, 1313, 2020, 2473, 2626, 4040, 4946, 5252, 6565, 9892, 10504, 12365, 13130, 19784, 24730, 26260, 32149, 49460, 52520, 64298, 98920, 128596, 160745, 249773, 257192, 321490, 499546, 642980, 999092, 1248865, 1285960, 1998184, 2497730, 3247049, 4995460, 6494098, 9990920, 12988196, 16235245, 25976392, 32470490, 64940980, 129881960]

約数ペア:

[(1, 129881960), (2, 64940980), (4, 32470490), (5, 25976392), (8, 16235245), (10, 12988196), (13, 9990920), (20, 6494098), (26, 4995460), (40, 3247049), (52, 2497730), (65, 1998184), (101, 1285960), (104, 1248865), (130, 999092), (202, 642980), (260, 499546), (404, 321490), (505, 257192), (520, 249773), (808, 160745), (1010, 128596), (1313, 98920), (2020, 64298), (2473, 52520), (2626, 49460), (4040, 32149), (4946, 26260), (5252, 24730), (6565, 19784), (9892, 13130), (10504, 12365)]