3256240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:158

約数の個数: 80

約数和(自身を含む): 8499456

約数和(自身を除く): 5243216

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 101, 104, 124, 130, 155, 202, 208, 248, 260, 310, 403, 404, 496, 505, 520, 620, 806, 808, 1010, 1040, 1240, 1313, 1612, 1616, 2015, 2020, 2480, 2626, 3131, 3224, 4030, 4040, 5252, 6262, 6448, 6565, 8060, 8080, 10504, 12524, 13130, 15655, 16120, 21008, 25048, 26260, 31310, 32240, 40703, 50096, 52520, 62620, 81406, 105040, 125240, 162812, 203515, 250480, 325624, 407030, 651248, 814060, 1628120, 3256240]

約数ペア:

[(1, 3256240), (2, 1628120), (4, 814060), (5, 651248), (8, 407030), (10, 325624), (13, 250480), (16, 203515), (20, 162812), (26, 125240), (31, 105040), (40, 81406), (52, 62620), (62, 52520), (65, 50096), (80, 40703), (101, 32240), (104, 31310), (124, 26260), (130, 25048), (155, 21008), (202, 16120), (208, 15655), (248, 13130), (260, 12524), (310, 10504), (403, 8080), (404, 8060), (496, 6565), (505, 6448), (520, 6262), (620, 5252), (806, 4040), (808, 4030), (1010, 3224), (1040, 3131), (1240, 2626), (1313, 2480), (1612, 2020), (1616, 2015)]