30381640

素因数分解:

$2^3\times 5^1\times {\mathrm{797}}^1\times {\mathrm{953}}^1$

素因数の和:1761

約数の個数: 32

約数和(自身を含む): 68516280

約数和(自身を除く): 38134640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 797, 953, 1594, 1906, 3188, 3812, 3985, 4765, 6376, 7624, 7970, 9530, 15940, 19060, 31880, 38120, 759541, 1519082, 3038164, 3797705, 6076328, 7595410, 15190820, 30381640]

約数ペア:

[(1, 30381640), (2, 15190820), (4, 7595410), (5, 6076328), (8, 3797705), (10, 3038164), (20, 1519082), (40, 759541), (797, 38120), (953, 31880), (1594, 19060), (1906, 15940), (3188, 9530), (3812, 7970), (3985, 7624), (4765, 6376)]