5112640

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1229}}^1$

素因数の和:1259

約数の個数: 56

約数和(自身を含む): 13121640

約数和(自身を除く): 8009000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 1229, 2080, 2458, 4160, 4916, 6145, 9832, 12290, 15977, 19664, 24580, 31954, 39328, 49160, 63908, 78656, 79885, 98320, 127816, 159770, 196640, 255632, 319540, 393280, 511264, 639080, 1022528, 1278160, 2556320, 5112640]

約数ペア:

[(1, 5112640), (2, 2556320), (4, 1278160), (5, 1022528), (8, 639080), (10, 511264), (13, 393280), (16, 319540), (20, 255632), (26, 196640), (32, 159770), (40, 127816), (52, 98320), (64, 79885), (65, 78656), (80, 63908), (104, 49160), (130, 39328), (160, 31954), (208, 24580), (260, 19664), (320, 15977), (416, 12290), (520, 9832), (832, 6145), (1040, 4916), (1229, 4160), (2080, 2458)]