8685640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1$

素因数の和:322

約数の個数: 64

約数和(自身を含む): 21170160

約数和(自身を除く): 12484520

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 53, 68, 85, 106, 136, 170, 212, 241, 265, 340, 424, 482, 530, 680, 901, 964, 1060, 1205, 1802, 1928, 2120, 2410, 3604, 4097, 4505, 4820, 7208, 8194, 9010, 9640, 12773, 16388, 18020, 20485, 25546, 32776, 36040, 40970, 51092, 63865, 81940, 102184, 127730, 163880, 217141, 255460, 434282, 510920, 868564, 1085705, 1737128, 2171410, 4342820, 8685640]

約数ペア:

[(1, 8685640), (2, 4342820), (4, 2171410), (5, 1737128), (8, 1085705), (10, 868564), (17, 510920), (20, 434282), (34, 255460), (40, 217141), (53, 163880), (68, 127730), (85, 102184), (106, 81940), (136, 63865), (170, 51092), (212, 40970), (241, 36040), (265, 32776), (340, 25546), (424, 20485), (482, 18020), (530, 16388), (680, 12773), (901, 9640), (964, 9010), (1060, 8194), (1205, 7208), (1802, 4820), (1928, 4505), (2120, 4097), (2410, 3604)]