31302440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3541}}^1$

素因数の和:3582

約数の個数: 64

約数和(自身を含む): 80332560

約数和(自身を除く): 49030120

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 3541, 4420, 7082, 8840, 14164, 17705, 28328, 35410, 46033, 60197, 70820, 92066, 120394, 141640, 184132, 230165, 240788, 300985, 368264, 460330, 481576, 601970, 782561, 920660, 1203940, 1565122, 1841320, 2407880, 3130244, 3912805, 6260488, 7825610, 15651220, 31302440]

約数ペア:

[(1, 31302440), (2, 15651220), (4, 7825610), (5, 6260488), (8, 3912805), (10, 3130244), (13, 2407880), (17, 1841320), (20, 1565122), (26, 1203940), (34, 920660), (40, 782561), (52, 601970), (65, 481576), (68, 460330), (85, 368264), (104, 300985), (130, 240788), (136, 230165), (170, 184132), (221, 141640), (260, 120394), (340, 92066), (442, 70820), (520, 60197), (680, 46033), (884, 35410), (1105, 28328), (1768, 17705), (2210, 14164), (3541, 8840), (4420, 7082)]