1996402480

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47353}}^1$

素因数の和:47414

約数の個数: 80

約数和(自身を含む): 5073318144

約数和(自身を除く): 3076915664

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 496, 527, 620, 680, 1054, 1240, 1360, 2108, 2480, 2635, 4216, 5270, 8432, 10540, 21080, 42160, 47353, 94706, 189412, 236765, 378824, 473530, 757648, 805001, 947060, 1467943, 1610002, 1894120, 2935886, 3220004, 3788240, 4025005, 5871772, 6440008, 7339715, 8050010, 11743544, 12880016, 14679430, 16100020, 23487088, 24955031, 29358860, 32200040, 49910062, 58717720, 64400080, 99820124, 117435440, 124775155, 199640248, 249550310, 399280496, 499100620, 998201240, 1996402480]

約数ペア:

[(1, 1996402480), (2, 998201240), (4, 499100620), (5, 399280496), (8, 249550310), (10, 199640248), (16, 124775155), (17, 117435440), (20, 99820124), (31, 64400080), (34, 58717720), (40, 49910062), (62, 32200040), (68, 29358860), (80, 24955031), (85, 23487088), (124, 16100020), (136, 14679430), (155, 12880016), (170, 11743544), (248, 8050010), (272, 7339715), (310, 6440008), (340, 5871772), (496, 4025005), (527, 3788240), (620, 3220004), (680, 2935886), (1054, 1894120), (1240, 1610002), (1360, 1467943), (2108, 947060), (2480, 805001), (2635, 757648), (4216, 473530), (5270, 378824), (8432, 236765), (10540, 189412), (21080, 94706), (42160, 47353)]