28759280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2971}}^1$

素因数の和:3006

約数の個数: 60

約数和(自身を含む): 73521336

約数和(自身を除く): 44762056

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2420, 2971, 4840, 5942, 9680, 11884, 14855, 23768, 29710, 32681, 47536, 59420, 65362, 118840, 130724, 163405, 237680, 261448, 326810, 359491, 522896, 653620, 718982, 1307240, 1437964, 1797455, 2614480, 2875928, 3594910, 5751856, 7189820, 14379640, 28759280]

約数ペア:

[(1, 28759280), (2, 14379640), (4, 7189820), (5, 5751856), (8, 3594910), (10, 2875928), (11, 2614480), (16, 1797455), (20, 1437964), (22, 1307240), (40, 718982), (44, 653620), (55, 522896), (80, 359491), (88, 326810), (110, 261448), (121, 237680), (176, 163405), (220, 130724), (242, 118840), (440, 65362), (484, 59420), (605, 47536), (880, 32681), (968, 29710), (1210, 23768), (1936, 14855), (2420, 11884), (2971, 9680), (4840, 5942)]