8118890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{173}}^1$

素因数の和:231

約数の個数: 48

約数和(自身を含む): 16706088

約数和(自身を除く): 8587198

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 173, 190, 247, 346, 361, 494, 722, 865, 1235, 1730, 1805, 2249, 2470, 3287, 3610, 4498, 4693, 6574, 9386, 11245, 16435, 22490, 23465, 32870, 42731, 46930, 62453, 85462, 124906, 213655, 312265, 427310, 624530, 811889, 1623778, 4059445, 8118890]

約数ペア:

[(1, 8118890), (2, 4059445), (5, 1623778), (10, 811889), (13, 624530), (19, 427310), (26, 312265), (38, 213655), (65, 124906), (95, 85462), (130, 62453), (173, 46930), (190, 42731), (247, 32870), (346, 23465), (361, 22490), (494, 16435), (722, 11245), (865, 9386), (1235, 6574), (1730, 4693), (1805, 4498), (2249, 3610), (2470, 3287)]