51207780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{65651}}^1$

素因数の和:65676

約数の個数: 48

約数和(自身を含む): 154413504

約数和(自身を除く): 103205724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 65651, 131302, 196953, 262604, 328255, 393906, 656510, 787812, 853463, 984765, 1313020, 1706926, 1969530, 2560389, 3413852, 3939060, 4267315, 5120778, 8534630, 10241556, 12801945, 17069260, 25603890, 51207780]

約数ペア:

[(1, 51207780), (2, 25603890), (3, 17069260), (4, 12801945), (5, 10241556), (6, 8534630), (10, 5120778), (12, 4267315), (13, 3939060), (15, 3413852), (20, 2560389), (26, 1969530), (30, 1706926), (39, 1313020), (52, 984765), (60, 853463), (65, 787812), (78, 656510), (130, 393906), (156, 328255), (195, 262604), (260, 196953), (390, 131302), (780, 65651)]