12785020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1213}}^1$

素因数の和:1270

約数の個数: 48

約数和(自身を含む): 29369088

約数和(自身を除く): 16584068

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 1054, 1213, 2108, 2426, 2635, 4852, 5270, 6065, 10540, 12130, 20621, 24260, 37603, 41242, 75206, 82484, 103105, 150412, 188015, 206210, 376030, 412420, 639251, 752060, 1278502, 2557004, 3196255, 6392510, 12785020]

約数ペア:

[(1, 12785020), (2, 6392510), (4, 3196255), (5, 2557004), (10, 1278502), (17, 752060), (20, 639251), (31, 412420), (34, 376030), (62, 206210), (68, 188015), (85, 150412), (124, 103105), (155, 82484), (170, 75206), (310, 41242), (340, 37603), (527, 24260), (620, 20621), (1054, 12130), (1213, 10540), (2108, 6065), (2426, 5270), (2635, 4852)]