72325720

素因数分解:

$2^3\times 5^1\times {\mathrm{383}}^1\times {\mathrm{4721}}^1$

素因数の和:5115

約数の個数: 32

約数和(自身を含む): 163192320

約数和(自身を除く): 90866600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 383, 766, 1532, 1915, 3064, 3830, 4721, 7660, 9442, 15320, 18884, 23605, 37768, 47210, 94420, 188840, 1808143, 3616286, 7232572, 9040715, 14465144, 18081430, 36162860, 72325720]

約数ペア:

[(1, 72325720), (2, 36162860), (4, 18081430), (5, 14465144), (8, 9040715), (10, 7232572), (20, 3616286), (40, 1808143), (383, 188840), (766, 94420), (1532, 47210), (1915, 37768), (3064, 23605), (3830, 18884), (4721, 15320), (7660, 9442)]