16205680

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{1213}}^1$

素因数の和:1393

約数の個数: 40

約数和(自身を含む): 37935072

約数和(自身を除く): 21729392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 334, 668, 835, 1213, 1336, 1670, 2426, 2672, 3340, 4852, 6065, 6680, 9704, 12130, 13360, 19408, 24260, 48520, 97040, 202571, 405142, 810284, 1012855, 1620568, 2025710, 3241136, 4051420, 8102840, 16205680]

約数ペア:

[(1, 16205680), (2, 8102840), (4, 4051420), (5, 3241136), (8, 2025710), (10, 1620568), (16, 1012855), (20, 810284), (40, 405142), (80, 202571), (167, 97040), (334, 48520), (668, 24260), (835, 19408), (1213, 13360), (1336, 12130), (1670, 9704), (2426, 6680), (2672, 6065), (3340, 4852)]