65928820

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^2\times {\mathrm{53}}^1$

素因数の和:181

約数の個数: 72

約数和(自身を含む): 148495032

約数和(自身を除く): 82566212

約数列:

[1, 2, 4, 5, 10, 20, 37, 41, 53, 74, 82, 106, 148, 164, 185, 205, 212, 265, 370, 410, 530, 740, 820, 1060, 1517, 1681, 1961, 2173, 3034, 3362, 3922, 4346, 6068, 6724, 7585, 7844, 8405, 8692, 9805, 10865, 15170, 16810, 19610, 21730, 30340, 33620, 39220, 43460, 62197, 80401, 89093, 124394, 160802, 178186, 248788, 310985, 321604, 356372, 402005, 445465, 621970, 804010, 890930, 1243940, 1608020, 1781860, 3296441, 6592882, 13185764, 16482205, 32964410, 65928820]

約数ペア:

[(1, 65928820), (2, 32964410), (4, 16482205), (5, 13185764), (10, 6592882), (20, 3296441), (37, 1781860), (41, 1608020), (53, 1243940), (74, 890930), (82, 804010), (106, 621970), (148, 445465), (164, 402005), (185, 356372), (205, 321604), (212, 310985), (265, 248788), (370, 178186), (410, 160802), (530, 124394), (740, 89093), (820, 80401), (1060, 62197), (1517, 43460), (1681, 39220), (1961, 33620), (2173, 30340), (3034, 21730), (3362, 19610), (3922, 16810), (4346, 15170), (6068, 10865), (6724, 9805), (7585, 8692), (7844, 8405)]