40120400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{5279}}^1$

素因数の和:5316

約数の個数: 60

約数和(自身を含む): 101481600

約数和(自身を除く): 61361200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 304, 380, 400, 475, 760, 950, 1520, 1900, 3800, 5279, 7600, 10558, 21116, 26395, 42232, 52790, 84464, 100301, 105580, 131975, 200602, 211160, 263950, 401204, 422320, 501505, 527900, 802408, 1003010, 1055800, 1604816, 2006020, 2111600, 2507525, 4012040, 5015050, 8024080, 10030100, 20060200, 40120400]

約数ペア:

[(1, 40120400), (2, 20060200), (4, 10030100), (5, 8024080), (8, 5015050), (10, 4012040), (16, 2507525), (19, 2111600), (20, 2006020), (25, 1604816), (38, 1055800), (40, 1003010), (50, 802408), (76, 527900), (80, 501505), (95, 422320), (100, 401204), (152, 263950), (190, 211160), (200, 200602), (304, 131975), (380, 105580), (400, 100301), (475, 84464), (760, 52790), (950, 42232), (1520, 26395), (1900, 21116), (3800, 10558), (5279, 7600)]