4166500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{641}}^1$

素因数の和:673

約数の個数: 48

約数和(自身を含む): 9814896

約数和(自身を除く): 5648396

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 641, 650, 1282, 1300, 1625, 2564, 3205, 3250, 6410, 6500, 8333, 12820, 16025, 16666, 32050, 33332, 41665, 64100, 80125, 83330, 160250, 166660, 208325, 320500, 416650, 833300, 1041625, 2083250, 4166500]

約数ペア:

[(1, 4166500), (2, 2083250), (4, 1041625), (5, 833300), (10, 416650), (13, 320500), (20, 208325), (25, 166660), (26, 160250), (50, 83330), (52, 80125), (65, 64100), (100, 41665), (125, 33332), (130, 32050), (250, 16666), (260, 16025), (325, 12820), (500, 8333), (641, 6500), (650, 6410), (1282, 3250), (1300, 3205), (1625, 2564)]