73008520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{140401}}^1$

素因数の和:140425

約数の個数: 32

約数和(自身を含む): 176906520

約数和(自身を除く): 103898000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 140401, 280802, 561604, 702005, 1123208, 1404010, 1825213, 2808020, 3650426, 5616040, 7300852, 9126065, 14601704, 18252130, 36504260, 73008520]

約数ペア:

[(1, 73008520), (2, 36504260), (4, 18252130), (5, 14601704), (8, 9126065), (10, 7300852), (13, 5616040), (20, 3650426), (26, 2808020), (40, 1825213), (52, 1404010), (65, 1123208), (104, 702005), (130, 561604), (260, 280802), (520, 140401)]