25489840

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{10987}}^1$

素因数の和:11029

約数の個数: 40

約数和(自身を含む): 61313040

約数和(自身を除く): 35823200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 10987, 21974, 43948, 54935, 87896, 109870, 175792, 219740, 318623, 439480, 637246, 878960, 1274492, 1593115, 2548984, 3186230, 5097968, 6372460, 12744920, 25489840]

約数ペア:

[(1, 25489840), (2, 12744920), (4, 6372460), (5, 5097968), (8, 3186230), (10, 2548984), (16, 1593115), (20, 1274492), (29, 878960), (40, 637246), (58, 439480), (80, 318623), (116, 219740), (145, 175792), (232, 109870), (290, 87896), (464, 54935), (580, 43948), (1160, 21974), (2320, 10987)]