29878160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{28729}}^1$

素因数の和:28755

約数の個数: 40

約数和(自身を含む): 74812920

約数和(自身を除く): 44934760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 28729, 57458, 114916, 143645, 229832, 287290, 373477, 459664, 574580, 746954, 1149160, 1493908, 1867385, 2298320, 2987816, 3734770, 5975632, 7469540, 14939080, 29878160]

約数ペア:

[(1, 29878160), (2, 14939080), (4, 7469540), (5, 5975632), (8, 3734770), (10, 2987816), (13, 2298320), (16, 1867385), (20, 1493908), (26, 1149160), (40, 746954), (52, 574580), (65, 459664), (80, 373477), (104, 287290), (130, 229832), (208, 143645), (260, 114916), (520, 57458), (1040, 28729)]