31743920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{233}}^1$

素因数の和:390

約数の個数: 80

約数和(自身を含む): 80432352

約数和(自身を除く): 48688432

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 131, 208, 233, 260, 262, 466, 520, 524, 655, 932, 1040, 1048, 1165, 1310, 1703, 1864, 2096, 2330, 2620, 3029, 3406, 3728, 4660, 5240, 6058, 6812, 8515, 9320, 10480, 12116, 13624, 15145, 17030, 18640, 24232, 27248, 30290, 30523, 34060, 48464, 60580, 61046, 68120, 121160, 122092, 136240, 152615, 242320, 244184, 305230, 396799, 488368, 610460, 793598, 1220920, 1587196, 1983995, 2441840, 3174392, 3967990, 6348784, 7935980, 15871960, 31743920]

約数ペア:

[(1, 31743920), (2, 15871960), (4, 7935980), (5, 6348784), (8, 3967990), (10, 3174392), (13, 2441840), (16, 1983995), (20, 1587196), (26, 1220920), (40, 793598), (52, 610460), (65, 488368), (80, 396799), (104, 305230), (130, 244184), (131, 242320), (208, 152615), (233, 136240), (260, 122092), (262, 121160), (466, 68120), (520, 61046), (524, 60580), (655, 48464), (932, 34060), (1040, 30523), (1048, 30290), (1165, 27248), (1310, 24232), (1703, 18640), (1864, 17030), (2096, 15145), (2330, 13624), (2620, 12116), (3029, 10480), (3406, 9320), (3728, 8515), (4660, 6812), (5240, 6058)]