26921050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{499}}^1$

素因数の和:607

約数の個数: 48

約数和(自身を含む): 54684000

約数和(自身を除く): 27762950

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 83, 130, 166, 325, 415, 499, 650, 830, 998, 1079, 2075, 2158, 2495, 4150, 4990, 5395, 6487, 10790, 12475, 12974, 24950, 26975, 32435, 41417, 53950, 64870, 82834, 162175, 207085, 324350, 414170, 538421, 1035425, 1076842, 2070850, 2692105, 5384210, 13460525, 26921050]

約数ペア:

[(1, 26921050), (2, 13460525), (5, 5384210), (10, 2692105), (13, 2070850), (25, 1076842), (26, 1035425), (50, 538421), (65, 414170), (83, 324350), (130, 207085), (166, 162175), (325, 82834), (415, 64870), (499, 53950), (650, 41417), (830, 32435), (998, 26975), (1079, 24950), (2075, 12974), (2158, 12475), (2495, 10790), (4150, 6487), (4990, 5395)]