23387240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1$

素因数の和:402

約数の個数: 64

約数和(自身を含む): 56324160

約数和(自身を除く): 32936920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 163, 170, 211, 326, 340, 422, 652, 680, 815, 844, 1055, 1304, 1630, 1688, 2110, 2771, 3260, 3587, 4220, 5542, 6520, 7174, 8440, 11084, 13855, 14348, 17935, 22168, 27710, 28696, 34393, 35870, 55420, 68786, 71740, 110840, 137572, 143480, 171965, 275144, 343930, 584681, 687860, 1169362, 1375720, 2338724, 2923405, 4677448, 5846810, 11693620, 23387240]

約数ペア:

[(1, 23387240), (2, 11693620), (4, 5846810), (5, 4677448), (8, 2923405), (10, 2338724), (17, 1375720), (20, 1169362), (34, 687860), (40, 584681), (68, 343930), (85, 275144), (136, 171965), (163, 143480), (170, 137572), (211, 110840), (326, 71740), (340, 68786), (422, 55420), (652, 35870), (680, 34393), (815, 28696), (844, 27710), (1055, 22168), (1304, 17935), (1630, 14348), (1688, 13855), (2110, 11084), (2771, 8440), (3260, 7174), (3587, 6520), (4220, 5542)]