68128520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{100189}}^1$

素因数の和:100217

約数の個数: 32

約数和(自身を含む): 162307800

約数和(自身を除く): 94179280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 100189, 200378, 400756, 500945, 801512, 1001890, 1703213, 2003780, 3406426, 4007560, 6812852, 8516065, 13625704, 17032130, 34064260, 68128520]

約数ペア:

[(1, 68128520), (2, 34064260), (4, 17032130), (5, 13625704), (8, 8516065), (10, 6812852), (17, 4007560), (20, 3406426), (34, 2003780), (40, 1703213), (68, 1001890), (85, 801512), (136, 500945), (170, 400756), (340, 200378), (680, 100189)]