81029650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7333}}^1$

素因数の和:7375

約数の個数: 48

約数和(自身を含む): 171879624

約数和(自身を除く): 90849974

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 130, 170, 221, 325, 425, 442, 650, 850, 1105, 2210, 5525, 7333, 11050, 14666, 36665, 73330, 95329, 124661, 183325, 190658, 249322, 366650, 476645, 623305, 953290, 1246610, 1620593, 2383225, 3116525, 3241186, 4766450, 6233050, 8102965, 16205930, 40514825, 81029650]

約数ペア:

[(1, 81029650), (2, 40514825), (5, 16205930), (10, 8102965), (13, 6233050), (17, 4766450), (25, 3241186), (26, 3116525), (34, 2383225), (50, 1620593), (65, 1246610), (85, 953290), (130, 623305), (170, 476645), (221, 366650), (325, 249322), (425, 190658), (442, 183325), (650, 124661), (850, 95329), (1105, 73330), (2210, 36665), (5525, 14666), (7333, 11050)]