10887500

素因数分解:

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

素因数の和:109

約数の個数: 72

約数和(自身を含む): 26029584

約数和(自身を除く): 15142084

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 67, 100, 125, 130, 134, 250, 260, 268, 325, 335, 500, 625, 650, 670, 871, 1250, 1300, 1340, 1625, 1675, 1742, 2500, 3125, 3250, 3350, 3484, 4355, 6250, 6500, 6700, 8125, 8375, 8710, 12500, 16250, 16750, 17420, 21775, 32500, 33500, 40625, 41875, 43550, 81250, 83750, 87100, 108875, 162500, 167500, 209375, 217750, 418750, 435500, 544375, 837500, 1088750, 2177500, 2721875, 5443750, 10887500]

約数ペア:

[(1, 10887500), (2, 5443750), (4, 2721875), (5, 2177500), (10, 1088750), (13, 837500), (20, 544375), (25, 435500), (26, 418750), (50, 217750), (52, 209375), (65, 167500), (67, 162500), (100, 108875), (125, 87100), (130, 83750), (134, 81250), (250, 43550), (260, 41875), (268, 40625), (325, 33500), (335, 32500), (500, 21775), (625, 17420), (650, 16750), (670, 16250), (871, 12500), (1250, 8710), (1300, 8375), (1340, 8125), (1625, 6700), (1675, 6500), (1742, 6250), (2500, 4355), (3125, 3484), (3250, 3350)]