53478920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6397}}^1$

素因数の和:6438

約数の個数: 64

約数和(自身を含む): 138196800

約数和(自身を除く): 84717880

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 4180, 6397, 8360, 12794, 25588, 31985, 51176, 63970, 70367, 121543, 127940, 140734, 243086, 255880, 281468, 351835, 486172, 562936, 607715, 703670, 972344, 1215430, 1336973, 1407340, 2430860, 2673946, 2814680, 4861720, 5347892, 6684865, 10695784, 13369730, 26739460, 53478920]

約数ペア:

[(1, 53478920), (2, 26739460), (4, 13369730), (5, 10695784), (8, 6684865), (10, 5347892), (11, 4861720), (19, 2814680), (20, 2673946), (22, 2430860), (38, 1407340), (40, 1336973), (44, 1215430), (55, 972344), (76, 703670), (88, 607715), (95, 562936), (110, 486172), (152, 351835), (190, 281468), (209, 255880), (220, 243086), (380, 140734), (418, 127940), (440, 121543), (760, 70367), (836, 63970), (1045, 51176), (1672, 31985), (2090, 25588), (4180, 12794), (6397, 8360)]