81790090

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1\times {\mathrm{601}}^1$

素因数の和:1078

約数の個数: 32

約数和(自身を含む): 152570880

約数和(自身を除く): 70780790

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 439, 601, 878, 1202, 2195, 3005, 4390, 6010, 13609, 18631, 27218, 37262, 68045, 93155, 136090, 186310, 263839, 527678, 1319195, 2638390, 8179009, 16358018, 40895045, 81790090]

約数ペア:

[(1, 81790090), (2, 40895045), (5, 16358018), (10, 8179009), (31, 2638390), (62, 1319195), (155, 527678), (310, 263839), (439, 186310), (601, 136090), (878, 93155), (1202, 68045), (2195, 37262), (3005, 27218), (4390, 18631), (6010, 13609)]