80216000

素因数分解:

$2^6\times 5^3\times {\mathrm{37}}^1\times {\mathrm{271}}^1$

素因数の和:335

約数の個数: 112

約数和(自身を含む): 204776832

約数和(自身を除く): 124560832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 37, 40, 50, 64, 74, 80, 100, 125, 148, 160, 185, 200, 250, 271, 296, 320, 370, 400, 500, 542, 592, 740, 800, 925, 1000, 1084, 1184, 1355, 1480, 1600, 1850, 2000, 2168, 2368, 2710, 2960, 3700, 4000, 4336, 4625, 5420, 5920, 6775, 7400, 8000, 8672, 9250, 10027, 10840, 11840, 13550, 14800, 17344, 18500, 20054, 21680, 27100, 29600, 33875, 37000, 40108, 43360, 50135, 54200, 59200, 67750, 74000, 80216, 86720, 100270, 108400, 135500, 148000, 160432, 200540, 216800, 250675, 271000, 296000, 320864, 401080, 433600, 501350, 542000, 641728, 802160, 1002700, 1084000, 1253375, 1604320, 2005400, 2168000, 2506750, 3208640, 4010800, 5013500, 8021600, 10027000, 16043200, 20054000, 40108000, 80216000]

約数ペア:

[(1, 80216000), (2, 40108000), (4, 20054000), (5, 16043200), (8, 10027000), (10, 8021600), (16, 5013500), (20, 4010800), (25, 3208640), (32, 2506750), (37, 2168000), (40, 2005400), (50, 1604320), (64, 1253375), (74, 1084000), (80, 1002700), (100, 802160), (125, 641728), (148, 542000), (160, 501350), (185, 433600), (200, 401080), (250, 320864), (271, 296000), (296, 271000), (320, 250675), (370, 216800), (400, 200540), (500, 160432), (542, 148000), (592, 135500), (740, 108400), (800, 100270), (925, 86720), (1000, 80216), (1084, 74000), (1184, 67750), (1355, 59200), (1480, 54200), (1600, 50135), (1850, 43360), (2000, 40108), (2168, 37000), (2368, 33875), (2710, 29600), (2960, 27100), (3700, 21680), (4000, 20054), (4336, 18500), (4625, 17344), (5420, 14800), (5920, 13550), (6775, 11840), (7400, 10840), (8000, 10027), (8672, 9250)]