42126500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{6481}}^1$

素因数の和:6513

約数の個数: 48

約数和(自身を含む): 99096816

約数和(自身を除く): 56970316

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, 6481, 6500, 12962, 25924, 32405, 64810, 84253, 129620, 162025, 168506, 324050, 337012, 421265, 648100, 810125, 842530, 1620250, 1685060, 2106325, 3240500, 4212650, 8425300, 10531625, 21063250, 42126500]

約数ペア:

[(1, 42126500), (2, 21063250), (4, 10531625), (5, 8425300), (10, 4212650), (13, 3240500), (20, 2106325), (25, 1685060), (26, 1620250), (50, 842530), (52, 810125), (65, 648100), (100, 421265), (125, 337012), (130, 324050), (250, 168506), (260, 162025), (325, 129620), (500, 84253), (650, 64810), (1300, 32405), (1625, 25924), (3250, 12962), (6481, 6500)]