1377680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1013}}^1$

素因数の和:1043

約数の個数: 40

約数和(自身を含む): 3394872

約数和(自身を除く): 2017192

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1013, 1360, 2026, 4052, 5065, 8104, 10130, 16208, 17221, 20260, 34442, 40520, 68884, 81040, 86105, 137768, 172210, 275536, 344420, 688840, 1377680]

約数ペア:

[(1, 1377680), (2, 688840), (4, 344420), (5, 275536), (8, 172210), (10, 137768), (16, 86105), (17, 81040), (20, 68884), (34, 40520), (40, 34442), (68, 20260), (80, 17221), (85, 16208), (136, 10130), (170, 8104), (272, 5065), (340, 4052), (680, 2026), (1013, 1360)]