12496685440

素因数分解:

$2^7\times 5^1\times {\mathrm{19526071}}^1$

素因数の和:19526090

約数の個数: 32

約数和(自身を含む): 29874890160

約数和(自身を除く): 17378204720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 19526071, 39052142, 78104284, 97630355, 156208568, 195260710, 312417136, 390521420, 624834272, 781042840, 1249668544, 1562085680, 2499337088, 3124171360, 6248342720, 12496685440]

約数ペア:

[(1, 12496685440), (2, 6248342720), (4, 3124171360), (5, 2499337088), (8, 1562085680), (10, 1249668544), (16, 781042840), (20, 624834272), (32, 390521420), (40, 312417136), (64, 195260710), (80, 156208568), (128, 97630355), (160, 78104284), (320, 39052142), (640, 19526071)]