2080452040

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{443}}^1\times {\mathrm{1039}}^1$

素因数の和:1606

約数の個数: 64

約数和(自身を含む): 4737657600

約数和(自身を除く): 2657205560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 443, 452, 565, 886, 904, 1039, 1130, 1772, 2078, 2215, 2260, 3544, 4156, 4430, 4520, 5195, 8312, 8860, 10390, 17720, 20780, 41560, 50059, 100118, 117407, 200236, 234814, 250295, 400472, 460277, 469628, 500590, 587035, 920554, 939256, 1001180, 1174070, 1841108, 2002360, 2301385, 2348140, 3682216, 4602770, 4696280, 9205540, 18411080, 52011301, 104022602, 208045204, 260056505, 416090408, 520113010, 1040226020, 2080452040]

約数ペア:

[(1, 2080452040), (2, 1040226020), (4, 520113010), (5, 416090408), (8, 260056505), (10, 208045204), (20, 104022602), (40, 52011301), (113, 18411080), (226, 9205540), (443, 4696280), (452, 4602770), (565, 3682216), (886, 2348140), (904, 2301385), (1039, 2002360), (1130, 1841108), (1772, 1174070), (2078, 1001180), (2215, 939256), (2260, 920554), (3544, 587035), (4156, 500590), (4430, 469628), (4520, 460277), (5195, 400472), (8312, 250295), (8860, 234814), (10390, 200236), (17720, 117407), (20780, 100118), (41560, 50059)]