55321820

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1\times {\mathrm{257}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 119629440

約数和(自身を除く): 64307620

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 229, 235, 257, 458, 470, 514, 916, 940, 1028, 1145, 1285, 2290, 2570, 4580, 5140, 10763, 12079, 21526, 24158, 43052, 48316, 53815, 58853, 60395, 107630, 117706, 120790, 215260, 235412, 241580, 294265, 588530, 1177060, 2766091, 5532182, 11064364, 13830455, 27660910, 55321820]

約数ペア:

[(1, 55321820), (2, 27660910), (4, 13830455), (5, 11064364), (10, 5532182), (20, 2766091), (47, 1177060), (94, 588530), (188, 294265), (229, 241580), (235, 235412), (257, 215260), (458, 120790), (470, 117706), (514, 107630), (916, 60395), (940, 58853), (1028, 53815), (1145, 48316), (1285, 43052), (2290, 24158), (2570, 21526), (4580, 12079), (5140, 10763)]