15405440

素因数分解:

$2^7\times 5^1\times {\mathrm{24071}}^1$

素因数の和:24090

約数の個数: 32

約数和(自身を含む): 36830160

約数和(自身を除く): 21424720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 24071, 48142, 96284, 120355, 192568, 240710, 385136, 481420, 770272, 962840, 1540544, 1925680, 3081088, 3851360, 7702720, 15405440]

約数ペア:

[(1, 15405440), (2, 7702720), (4, 3851360), (5, 3081088), (8, 1925680), (10, 1540544), (16, 962840), (20, 770272), (32, 481420), (40, 385136), (64, 240710), (80, 192568), (128, 120355), (160, 96284), (320, 48142), (640, 24071)]