25049960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{719}}^1$

素因数の和:810

約数の個数: 64

約数和(自身を含む): 61689600

約数和(自身を除く): 36639640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 67, 104, 130, 134, 260, 268, 335, 520, 536, 670, 719, 871, 1340, 1438, 1742, 2680, 2876, 3484, 3595, 4355, 5752, 6968, 7190, 8710, 9347, 14380, 17420, 18694, 28760, 34840, 37388, 46735, 48173, 74776, 93470, 96346, 186940, 192692, 240865, 373880, 385384, 481730, 626249, 963460, 1252498, 1926920, 2504996, 3131245, 5009992, 6262490, 12524980, 25049960]

約数ペア:

[(1, 25049960), (2, 12524980), (4, 6262490), (5, 5009992), (8, 3131245), (10, 2504996), (13, 1926920), (20, 1252498), (26, 963460), (40, 626249), (52, 481730), (65, 385384), (67, 373880), (104, 240865), (130, 192692), (134, 186940), (260, 96346), (268, 93470), (335, 74776), (520, 48173), (536, 46735), (670, 37388), (719, 34840), (871, 28760), (1340, 18694), (1438, 17420), (1742, 14380), (2680, 9347), (2876, 8710), (3484, 7190), (3595, 6968), (4355, 5752)]