129339320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{26723}}^1$

素因数の和:26756

約数の個数: 48

約数和(自身を含む): 319886280

約数和(自身を除く): 190546960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 26723, 53446, 106892, 133615, 213784, 267230, 293953, 534460, 587906, 1068920, 1175812, 1469765, 2351624, 2939530, 3233483, 5879060, 6466966, 11758120, 12933932, 16167415, 25867864, 32334830, 64669660, 129339320]

約数ペア:

[(1, 129339320), (2, 64669660), (4, 32334830), (5, 25867864), (8, 16167415), (10, 12933932), (11, 11758120), (20, 6466966), (22, 5879060), (40, 3233483), (44, 2939530), (55, 2351624), (88, 1469765), (110, 1175812), (121, 1068920), (220, 587906), (242, 534460), (440, 293953), (484, 267230), (605, 213784), (968, 133615), (1210, 106892), (2420, 53446), (4840, 26723)]