31629520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1789}}^1$

素因数の和:1832

約数の個数: 80

約数和(自身を含む): 83900880

約数和(自身を除く): 52271360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1768, 1789, 2210, 3536, 3578, 4420, 7156, 8840, 8945, 14312, 17680, 17890, 23257, 28624, 30413, 35780, 46514, 60826, 71560, 93028, 116285, 121652, 143120, 152065, 186056, 232570, 243304, 304130, 372112, 395369, 465140, 486608, 608260, 790738, 930280, 1216520, 1581476, 1860560, 1976845, 2433040, 3162952, 3953690, 6325904, 7907380, 15814760, 31629520]

約数ペア:

[(1, 31629520), (2, 15814760), (4, 7907380), (5, 6325904), (8, 3953690), (10, 3162952), (13, 2433040), (16, 1976845), (17, 1860560), (20, 1581476), (26, 1216520), (34, 930280), (40, 790738), (52, 608260), (65, 486608), (68, 465140), (80, 395369), (85, 372112), (104, 304130), (130, 243304), (136, 232570), (170, 186056), (208, 152065), (221, 143120), (260, 121652), (272, 116285), (340, 93028), (442, 71560), (520, 60826), (680, 46514), (884, 35780), (1040, 30413), (1105, 28624), (1360, 23257), (1768, 17890), (1789, 17680), (2210, 14312), (3536, 8945), (3578, 8840), (4420, 7156)]