8139500

素因数分解:

$2^2\times 5^3\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:315

約数の個数: 48

約数和(自身を含む): 18100992

約数和(自身を除く): 9961492

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 73, 100, 125, 146, 223, 250, 292, 365, 446, 500, 730, 892, 1115, 1460, 1825, 2230, 3650, 4460, 5575, 7300, 9125, 11150, 16279, 18250, 22300, 27875, 32558, 36500, 55750, 65116, 81395, 111500, 162790, 325580, 406975, 813950, 1627900, 2034875, 4069750, 8139500]

約数ペア:

[(1, 8139500), (2, 4069750), (4, 2034875), (5, 1627900), (10, 813950), (20, 406975), (25, 325580), (50, 162790), (73, 111500), (100, 81395), (125, 65116), (146, 55750), (223, 36500), (250, 32558), (292, 27875), (365, 22300), (446, 18250), (500, 16279), (730, 11150), (892, 9125), (1115, 7300), (1460, 5575), (1825, 4460), (2230, 3650)]