80850320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1237}}^1$

素因数の和:1312

約数の個数: 80

約数和(自身を含む): 202635840

約数和(自身を除く): 121785520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 43, 76, 80, 86, 95, 152, 172, 190, 215, 304, 344, 380, 430, 688, 760, 817, 860, 1237, 1520, 1634, 1720, 2474, 3268, 3440, 4085, 4948, 6185, 6536, 8170, 9896, 12370, 13072, 16340, 19792, 23503, 24740, 32680, 47006, 49480, 53191, 65360, 94012, 98960, 106382, 117515, 188024, 212764, 235030, 265955, 376048, 425528, 470060, 531910, 851056, 940120, 1010629, 1063820, 1880240, 2021258, 2127640, 4042516, 4255280, 5053145, 8085032, 10106290, 16170064, 20212580, 40425160, 80850320]

約数ペア:

[(1, 80850320), (2, 40425160), (4, 20212580), (5, 16170064), (8, 10106290), (10, 8085032), (16, 5053145), (19, 4255280), (20, 4042516), (38, 2127640), (40, 2021258), (43, 1880240), (76, 1063820), (80, 1010629), (86, 940120), (95, 851056), (152, 531910), (172, 470060), (190, 425528), (215, 376048), (304, 265955), (344, 235030), (380, 212764), (430, 188024), (688, 117515), (760, 106382), (817, 98960), (860, 94012), (1237, 65360), (1520, 53191), (1634, 49480), (1720, 47006), (2474, 32680), (3268, 24740), (3440, 23503), (4085, 19792), (4948, 16340), (6185, 13072), (6536, 12370), (8170, 9896)]