12559940

素因数分解:

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

素因数の和:137

約数の個数: 72

約数和(自身を含む): 29243592

約数和(自身を除く): 16683652

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 53, 68, 82, 85, 106, 164, 170, 205, 212, 265, 289, 340, 410, 530, 578, 697, 820, 901, 1060, 1156, 1394, 1445, 1802, 2173, 2788, 2890, 3485, 3604, 4346, 4505, 5780, 6970, 8692, 9010, 10865, 11849, 13940, 15317, 18020, 21730, 23698, 30634, 36941, 43460, 47396, 59245, 61268, 73882, 76585, 118490, 147764, 153170, 184705, 236980, 306340, 369410, 627997, 738820, 1255994, 2511988, 3139985, 6279970, 12559940]

約数ペア:

[(1, 12559940), (2, 6279970), (4, 3139985), (5, 2511988), (10, 1255994), (17, 738820), (20, 627997), (34, 369410), (41, 306340), (53, 236980), (68, 184705), (82, 153170), (85, 147764), (106, 118490), (164, 76585), (170, 73882), (205, 61268), (212, 59245), (265, 47396), (289, 43460), (340, 36941), (410, 30634), (530, 23698), (578, 21730), (697, 18020), (820, 15317), (901, 13940), (1060, 11849), (1156, 10865), (1394, 9010), (1445, 8692), (1802, 6970), (2173, 5780), (2788, 4505), (2890, 4346), (3485, 3604)]