13259800

素因数分解:

$2^3\times 5^2\times {\mathrm{167}}^1\times {\mathrm{397}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 31091760

約数和(自身を除く): 17831960

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 167, 200, 334, 397, 668, 794, 835, 1336, 1588, 1670, 1985, 3176, 3340, 3970, 4175, 6680, 7940, 8350, 9925, 15880, 16700, 19850, 33400, 39700, 66299, 79400, 132598, 265196, 331495, 530392, 662990, 1325980, 1657475, 2651960, 3314950, 6629900, 13259800]

約数ペア:

[(1, 13259800), (2, 6629900), (4, 3314950), (5, 2651960), (8, 1657475), (10, 1325980), (20, 662990), (25, 530392), (40, 331495), (50, 265196), (100, 132598), (167, 79400), (200, 66299), (334, 39700), (397, 33400), (668, 19850), (794, 16700), (835, 15880), (1336, 9925), (1588, 8350), (1670, 7940), (1985, 6680), (3176, 4175), (3340, 3970)]