64824500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{9973}}^1$

素因数の和:10005

約数の個数: 48

約数和(自身を含む): 152482512

約数和(自身を除く): 87658012

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, 3250, 6500, 9973, 19946, 39892, 49865, 99730, 129649, 199460, 249325, 259298, 498650, 518596, 648245, 997300, 1246625, 1296490, 2493250, 2592980, 3241225, 4986500, 6482450, 12964900, 16206125, 32412250, 64824500]

約数ペア:

[(1, 64824500), (2, 32412250), (4, 16206125), (5, 12964900), (10, 6482450), (13, 4986500), (20, 3241225), (25, 2592980), (26, 2493250), (50, 1296490), (52, 1246625), (65, 997300), (100, 648245), (125, 518596), (130, 498650), (250, 259298), (260, 249325), (325, 199460), (500, 129649), (650, 99730), (1300, 49865), (1625, 39892), (3250, 19946), (6500, 9973)]