90509120

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21757}}^1$

素因数の和:21787

約数の個数: 56

約数和(自身を含む): 232114344

約数和(自身を除く): 141605224

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 21757, 43514, 87028, 108785, 174056, 217570, 282841, 348112, 435140, 565682, 696224, 870280, 1131364, 1392448, 1414205, 1740560, 2262728, 2828410, 3481120, 4525456, 5656820, 6962240, 9050912, 11313640, 18101824, 22627280, 45254560, 90509120]

約数ペア:

[(1, 90509120), (2, 45254560), (4, 22627280), (5, 18101824), (8, 11313640), (10, 9050912), (13, 6962240), (16, 5656820), (20, 4525456), (26, 3481120), (32, 2828410), (40, 2262728), (52, 1740560), (64, 1414205), (65, 1392448), (80, 1131364), (104, 870280), (130, 696224), (160, 565682), (208, 435140), (260, 348112), (320, 282841), (416, 217570), (520, 174056), (832, 108785), (1040, 87028), (2080, 43514), (4160, 21757)]