15518750

素因数分解:

$2^1\times 5^5\times {\mathrm{13}}^1\times {\mathrm{191}}^1$

素因数の和:231

約数の個数: 48

約数和(自身を含む): 31497984

約数和(自身を除く): 15979234

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 191, 250, 325, 382, 625, 650, 955, 1250, 1625, 1910, 2483, 3125, 3250, 4775, 4966, 6250, 8125, 9550, 12415, 16250, 23875, 24830, 40625, 47750, 62075, 81250, 119375, 124150, 238750, 310375, 596875, 620750, 1193750, 1551875, 3103750, 7759375, 15518750]

約数ペア:

[(1, 15518750), (2, 7759375), (5, 3103750), (10, 1551875), (13, 1193750), (25, 620750), (26, 596875), (50, 310375), (65, 238750), (125, 124150), (130, 119375), (191, 81250), (250, 62075), (325, 47750), (382, 40625), (625, 24830), (650, 23875), (955, 16250), (1250, 12415), (1625, 9550), (1910, 8125), (2483, 6250), (3125, 4966), (3250, 4775)]