13682500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{421}}^1$

素因数の和:458

約数の個数: 60

約数和(自身を含む): 32299036

約数和(自身を除く): 18616536

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 421, 500, 625, 650, 842, 1250, 1300, 1625, 1684, 2105, 2500, 3250, 4210, 5473, 6500, 8125, 8420, 10525, 10946, 16250, 21050, 21892, 27365, 32500, 42100, 52625, 54730, 105250, 109460, 136825, 210500, 263125, 273650, 526250, 547300, 684125, 1052500, 1368250, 2736500, 3420625, 6841250, 13682500]

約数ペア:

[(1, 13682500), (2, 6841250), (4, 3420625), (5, 2736500), (10, 1368250), (13, 1052500), (20, 684125), (25, 547300), (26, 526250), (50, 273650), (52, 263125), (65, 210500), (100, 136825), (125, 109460), (130, 105250), (250, 54730), (260, 52625), (325, 42100), (421, 32500), (500, 27365), (625, 21892), (650, 21050), (842, 16250), (1250, 10946), (1300, 10525), (1625, 8420), (1684, 8125), (2105, 6500), (2500, 5473), (3250, 4210)]