12681500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{1951}}^1$

素因数の和:1983

約数の個数: 48

約数和(自身を含む): 29842176

約数和(自身を除く): 17160676

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 1951, 3250, 3902, 6500, 7804, 9755, 19510, 25363, 39020, 48775, 50726, 97550, 101452, 126815, 195100, 243875, 253630, 487750, 507260, 634075, 975500, 1268150, 2536300, 3170375, 6340750, 12681500]

約数ペア:

[(1, 12681500), (2, 6340750), (4, 3170375), (5, 2536300), (10, 1268150), (13, 975500), (20, 634075), (25, 507260), (26, 487750), (50, 253630), (52, 243875), (65, 195100), (100, 126815), (125, 101452), (130, 97550), (250, 50726), (260, 48775), (325, 39020), (500, 25363), (650, 19510), (1300, 9755), (1625, 7804), (1951, 6500), (3250, 3902)]