65958440

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{19867}}^1$

素因数の和:19961

約数の個数: 32

約数和(自身を含む): 150202080

約数和(自身を除く): 84243640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 19867, 39734, 79468, 99335, 158936, 198670, 397340, 794680, 1648961, 3297922, 6595844, 8244805, 13191688, 16489610, 32979220, 65958440]

約数ペア:

[(1, 65958440), (2, 32979220), (4, 16489610), (5, 13191688), (8, 8244805), (10, 6595844), (20, 3297922), (40, 1648961), (83, 794680), (166, 397340), (332, 198670), (415, 158936), (664, 99335), (830, 79468), (1660, 39734), (3320, 19867)]