40102280

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:398

約数の個数: 64

約数和(自身を含む): 93623040

約数和(自身を除く): 53520760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 83, 94, 166, 188, 235, 257, 332, 376, 415, 470, 514, 664, 830, 940, 1028, 1285, 1660, 1880, 2056, 2570, 3320, 3901, 5140, 7802, 10280, 12079, 15604, 19505, 21331, 24158, 31208, 39010, 42662, 48316, 60395, 78020, 85324, 96632, 106655, 120790, 156040, 170648, 213310, 241580, 426620, 483160, 853240, 1002557, 2005114, 4010228, 5012785, 8020456, 10025570, 20051140, 40102280]

約数ペア:

[(1, 40102280), (2, 20051140), (4, 10025570), (5, 8020456), (8, 5012785), (10, 4010228), (20, 2005114), (40, 1002557), (47, 853240), (83, 483160), (94, 426620), (166, 241580), (188, 213310), (235, 170648), (257, 156040), (332, 120790), (376, 106655), (415, 96632), (470, 85324), (514, 78020), (664, 60395), (830, 48316), (940, 42662), (1028, 39010), (1285, 31208), (1660, 24158), (1880, 21331), (2056, 19505), (2570, 15604), (3320, 12079), (3901, 10280), (5140, 7802)]