179950040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{145121}}^1$

素因数の和:145163

約数の個数: 32

約数和(自身を含む): 417951360

約数和(自身を除く): 238001320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 145121, 290242, 580484, 725605, 1160968, 1451210, 2902420, 4498751, 5804840, 8997502, 17995004, 22493755, 35990008, 44987510, 89975020, 179950040]

約数ペア:

[(1, 179950040), (2, 89975020), (4, 44987510), (5, 35990008), (8, 22493755), (10, 17995004), (20, 8997502), (31, 5804840), (40, 4498751), (62, 2902420), (124, 1451210), (155, 1160968), (248, 725605), (310, 580484), (620, 290242), (1240, 145121)]