25119880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:139

約数の個数: 96

約数和(自身を含む): 62664840

約数和(自身を除く): 37544960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 53, 68, 82, 85, 106, 136, 164, 170, 205, 212, 265, 289, 328, 340, 410, 424, 530, 578, 680, 697, 820, 901, 1060, 1156, 1394, 1445, 1640, 1802, 2120, 2173, 2312, 2788, 2890, 3485, 3604, 4346, 4505, 5576, 5780, 6970, 7208, 8692, 9010, 10865, 11560, 11849, 13940, 15317, 17384, 18020, 21730, 23698, 27880, 30634, 36040, 36941, 43460, 47396, 59245, 61268, 73882, 76585, 86920, 94792, 118490, 122536, 147764, 153170, 184705, 236980, 295528, 306340, 369410, 473960, 612680, 627997, 738820, 1255994, 1477640, 2511988, 3139985, 5023976, 6279970, 12559940, 25119880]

約数ペア:

[(1, 25119880), (2, 12559940), (4, 6279970), (5, 5023976), (8, 3139985), (10, 2511988), (17, 1477640), (20, 1255994), (34, 738820), (40, 627997), (41, 612680), (53, 473960), (68, 369410), (82, 306340), (85, 295528), (106, 236980), (136, 184705), (164, 153170), (170, 147764), (205, 122536), (212, 118490), (265, 94792), (289, 86920), (328, 76585), (340, 73882), (410, 61268), (424, 59245), (530, 47396), (578, 43460), (680, 36941), (697, 36040), (820, 30634), (901, 27880), (1060, 23698), (1156, 21730), (1394, 18020), (1445, 17384), (1640, 15317), (1802, 13940), (2120, 11849), (2173, 11560), (2312, 10865), (2788, 9010), (2890, 8692), (3485, 7208), (3604, 6970), (4346, 5780), (4505, 5576)]