39238240

素因数分解:

$2^5\times 5^1\times {\mathrm{431}}^1\times {\mathrm{569}}^1$

素因数の和:1015

約数の個数: 48

約数和(自身を含む): 93078720

約数和(自身を除く): 53840480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 431, 569, 862, 1138, 1724, 2155, 2276, 2845, 3448, 4310, 4552, 5690, 6896, 8620, 9104, 11380, 13792, 17240, 18208, 22760, 34480, 45520, 68960, 91040, 245239, 490478, 980956, 1226195, 1961912, 2452390, 3923824, 4904780, 7847648, 9809560, 19619120, 39238240]

約数ペア:

[(1, 39238240), (2, 19619120), (4, 9809560), (5, 7847648), (8, 4904780), (10, 3923824), (16, 2452390), (20, 1961912), (32, 1226195), (40, 980956), (80, 490478), (160, 245239), (431, 91040), (569, 68960), (862, 45520), (1138, 34480), (1724, 22760), (2155, 18208), (2276, 17240), (2845, 13792), (3448, 11380), (4310, 9104), (4552, 8620), (5690, 6896)]