18460000

素因数分解:

$2^5\times 5^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1$

素因数の和:114

約数の個数: 120

約数和(自身を含む): 49596624

約数和(自身を除く): 31136624

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 71, 80, 100, 104, 125, 130, 142, 160, 200, 208, 250, 260, 284, 325, 355, 400, 416, 500, 520, 568, 625, 650, 710, 800, 923, 1000, 1040, 1136, 1250, 1300, 1420, 1625, 1775, 1846, 2000, 2080, 2272, 2500, 2600, 2840, 3250, 3550, 3692, 4000, 4615, 5000, 5200, 5680, 6500, 7100, 7384, 8125, 8875, 9230, 10000, 10400, 11360, 13000, 14200, 14768, 16250, 17750, 18460, 20000, 23075, 26000, 28400, 29536, 32500, 35500, 36920, 44375, 46150, 52000, 56800, 65000, 71000, 73840, 88750, 92300, 115375, 130000, 142000, 147680, 177500, 184600, 230750, 260000, 284000, 355000, 369200, 461500, 576875, 710000, 738400, 923000, 1153750, 1420000, 1846000, 2307500, 3692000, 4615000, 9230000, 18460000]

約数ペア:

[(1, 18460000), (2, 9230000), (4, 4615000), (5, 3692000), (8, 2307500), (10, 1846000), (13, 1420000), (16, 1153750), (20, 923000), (25, 738400), (26, 710000), (32, 576875), (40, 461500), (50, 369200), (52, 355000), (65, 284000), (71, 260000), (80, 230750), (100, 184600), (104, 177500), (125, 147680), (130, 142000), (142, 130000), (160, 115375), (200, 92300), (208, 88750), (250, 73840), (260, 71000), (284, 65000), (325, 56800), (355, 52000), (400, 46150), (416, 44375), (500, 36920), (520, 35500), (568, 32500), (625, 29536), (650, 28400), (710, 26000), (800, 23075), (923, 20000), (1000, 18460), (1040, 17750), (1136, 16250), (1250, 14768), (1300, 14200), (1420, 13000), (1625, 11360), (1775, 10400), (1846, 10000), (2000, 9230), (2080, 8875), (2272, 8125), (2500, 7384), (2600, 7100), (2840, 6500), (3250, 5680), (3550, 5200), (3692, 5000), (4000, 4615)]