21775000

素因数分解:

$2^3\times 5^5\times {\mathrm{13}}^1\times {\mathrm{67}}^1$

素因数の和:111

約数の個数: 96

約数和(自身を含む): 55777680

約数和(自身を除く): 34002680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 67, 100, 104, 125, 130, 134, 200, 250, 260, 268, 325, 335, 500, 520, 536, 625, 650, 670, 871, 1000, 1250, 1300, 1340, 1625, 1675, 1742, 2500, 2600, 2680, 3125, 3250, 3350, 3484, 4355, 5000, 6250, 6500, 6700, 6968, 8125, 8375, 8710, 12500, 13000, 13400, 16250, 16750, 17420, 21775, 25000, 32500, 33500, 34840, 40625, 41875, 43550, 65000, 67000, 81250, 83750, 87100, 108875, 162500, 167500, 174200, 209375, 217750, 325000, 335000, 418750, 435500, 544375, 837500, 871000, 1088750, 1675000, 2177500, 2721875, 4355000, 5443750, 10887500, 21775000]

約数ペア:

[(1, 21775000), (2, 10887500), (4, 5443750), (5, 4355000), (8, 2721875), (10, 2177500), (13, 1675000), (20, 1088750), (25, 871000), (26, 837500), (40, 544375), (50, 435500), (52, 418750), (65, 335000), (67, 325000), (100, 217750), (104, 209375), (125, 174200), (130, 167500), (134, 162500), (200, 108875), (250, 87100), (260, 83750), (268, 81250), (325, 67000), (335, 65000), (500, 43550), (520, 41875), (536, 40625), (625, 34840), (650, 33500), (670, 32500), (871, 25000), (1000, 21775), (1250, 17420), (1300, 16750), (1340, 16250), (1625, 13400), (1675, 13000), (1742, 12500), (2500, 8710), (2600, 8375), (2680, 8125), (3125, 6968), (3250, 6700), (3350, 6500), (3484, 6250), (4355, 5000)]