31287100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{587}}^1$

素因数の和:655

約数の個数: 72

約数和(自身を含む): 75026448

約数和(自身を除く): 43739348

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 41, 50, 52, 65, 82, 100, 130, 164, 205, 260, 325, 410, 533, 587, 650, 820, 1025, 1066, 1174, 1300, 2050, 2132, 2348, 2665, 2935, 4100, 5330, 5870, 7631, 10660, 11740, 13325, 14675, 15262, 24067, 26650, 29350, 30524, 38155, 48134, 53300, 58700, 76310, 96268, 120335, 152620, 190775, 240670, 312871, 381550, 481340, 601675, 625742, 763100, 1203350, 1251484, 1564355, 2406700, 3128710, 6257420, 7821775, 15643550, 31287100]

約数ペア:

[(1, 31287100), (2, 15643550), (4, 7821775), (5, 6257420), (10, 3128710), (13, 2406700), (20, 1564355), (25, 1251484), (26, 1203350), (41, 763100), (50, 625742), (52, 601675), (65, 481340), (82, 381550), (100, 312871), (130, 240670), (164, 190775), (205, 152620), (260, 120335), (325, 96268), (410, 76310), (533, 58700), (587, 53300), (650, 48134), (820, 38155), (1025, 30524), (1066, 29350), (1174, 26650), (1300, 24067), (2050, 15262), (2132, 14675), (2348, 13325), (2665, 11740), (2935, 10660), (4100, 7631), (5330, 5870)]