89988440

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1483}}^1$

素因数の和:1572

約数の個数: 64

約数和(自身を含む): 213161760

約数和(自身を除く): 123173320

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 41, 74, 82, 148, 164, 185, 205, 296, 328, 370, 410, 740, 820, 1480, 1483, 1517, 1640, 2966, 3034, 5932, 6068, 7415, 7585, 11864, 12136, 14830, 15170, 29660, 30340, 54871, 59320, 60680, 60803, 109742, 121606, 219484, 243212, 274355, 304015, 438968, 486424, 548710, 608030, 1097420, 1216060, 2194840, 2249711, 2432120, 4499422, 8998844, 11248555, 17997688, 22497110, 44994220, 89988440]

約数ペア:

[(1, 89988440), (2, 44994220), (4, 22497110), (5, 17997688), (8, 11248555), (10, 8998844), (20, 4499422), (37, 2432120), (40, 2249711), (41, 2194840), (74, 1216060), (82, 1097420), (148, 608030), (164, 548710), (185, 486424), (205, 438968), (296, 304015), (328, 274355), (370, 243212), (410, 219484), (740, 121606), (820, 109742), (1480, 60803), (1483, 60680), (1517, 59320), (1640, 54871), (2966, 30340), (3034, 29660), (5932, 15170), (6068, 14830), (7415, 12136), (7585, 11864)]