38505560

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{443}}^1$

素因数の和:548

約数の個数: 64

約数和(自身を含む): 90629280

約数和(自身を除く): 52123720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 53, 82, 106, 164, 205, 212, 265, 328, 410, 424, 443, 530, 820, 886, 1060, 1640, 1772, 2120, 2173, 2215, 3544, 4346, 4430, 8692, 8860, 10865, 17384, 17720, 18163, 21730, 23479, 36326, 43460, 46958, 72652, 86920, 90815, 93916, 117395, 145304, 181630, 187832, 234790, 363260, 469580, 726520, 939160, 962639, 1925278, 3850556, 4813195, 7701112, 9626390, 19252780, 38505560]

約数ペア:

[(1, 38505560), (2, 19252780), (4, 9626390), (5, 7701112), (8, 4813195), (10, 3850556), (20, 1925278), (40, 962639), (41, 939160), (53, 726520), (82, 469580), (106, 363260), (164, 234790), (205, 187832), (212, 181630), (265, 145304), (328, 117395), (410, 93916), (424, 90815), (443, 86920), (530, 72652), (820, 46958), (886, 43460), (1060, 36326), (1640, 23479), (1772, 21730), (2120, 18163), (2173, 17720), (2215, 17384), (3544, 10865), (4346, 8860), (4430, 8692)]