82666880

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3491}}^1$

素因数の和:3547

約数の個数: 64

約数和(自身を含む): 203024880

約数和(自身を除く): 120358000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 296, 320, 370, 592, 640, 740, 1184, 1480, 2368, 2960, 3491, 4736, 5920, 6982, 11840, 13964, 17455, 23680, 27928, 34910, 55856, 69820, 111712, 129167, 139640, 223424, 258334, 279280, 446848, 516668, 558560, 645835, 1033336, 1117120, 1291670, 2066672, 2234240, 2583340, 4133344, 5166680, 8266688, 10333360, 16533376, 20666720, 41333440, 82666880]

約数ペア:

[(1, 82666880), (2, 41333440), (4, 20666720), (5, 16533376), (8, 10333360), (10, 8266688), (16, 5166680), (20, 4133344), (32, 2583340), (37, 2234240), (40, 2066672), (64, 1291670), (74, 1117120), (80, 1033336), (128, 645835), (148, 558560), (160, 516668), (185, 446848), (296, 279280), (320, 258334), (370, 223424), (592, 139640), (640, 129167), (740, 111712), (1184, 69820), (1480, 55856), (2368, 34910), (2960, 27928), (3491, 23680), (4736, 17455), (5920, 13964), (6982, 11840)]