79393480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1489}}^1$

素因数の和:1574

約数の個数: 64

約数和(自身を含む): 188812800

約数和(自身を除く): 109419320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 172, 215, 248, 310, 344, 430, 620, 860, 1240, 1333, 1489, 1720, 2666, 2978, 5332, 5956, 6665, 7445, 10664, 11912, 13330, 14890, 26660, 29780, 46159, 53320, 59560, 64027, 92318, 128054, 184636, 230795, 256108, 320135, 369272, 461590, 512216, 640270, 923180, 1280540, 1846360, 1984837, 2561080, 3969674, 7939348, 9924185, 15878696, 19848370, 39696740, 79393480]

約数ペア:

[(1, 79393480), (2, 39696740), (4, 19848370), (5, 15878696), (8, 9924185), (10, 7939348), (20, 3969674), (31, 2561080), (40, 1984837), (43, 1846360), (62, 1280540), (86, 923180), (124, 640270), (155, 512216), (172, 461590), (215, 369272), (248, 320135), (310, 256108), (344, 230795), (430, 184636), (620, 128054), (860, 92318), (1240, 64027), (1333, 59560), (1489, 53320), (1720, 46159), (2666, 29780), (2978, 26660), (5332, 14890), (5956, 13330), (6665, 11912), (7445, 10664)]