128932960

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61987}}^1$

素因数の和:62015

約数の個数: 48

約数和(自身を含む): 328040496

約数和(自身を除く): 199107536

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 61987, 123974, 247948, 309935, 495896, 619870, 805831, 991792, 1239740, 1611662, 1983584, 2479480, 3223324, 4029155, 4958960, 6446648, 8058310, 9917920, 12893296, 16116620, 25786592, 32233240, 64466480, 128932960]

約数ペア:

[(1, 128932960), (2, 64466480), (4, 32233240), (5, 25786592), (8, 16116620), (10, 12893296), (13, 9917920), (16, 8058310), (20, 6446648), (26, 4958960), (32, 4029155), (40, 3223324), (52, 2479480), (65, 1983584), (80, 1611662), (104, 1239740), (130, 991792), (160, 805831), (208, 619870), (260, 495896), (416, 309935), (520, 247948), (1040, 123974), (2080, 61987)]