158212840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127591}}^1$

素因数の和:127633

約数の個数: 32

約数和(自身を含む): 367464960

約数和(自身を除く): 209252120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 127591, 255182, 510364, 637955, 1020728, 1275910, 2551820, 3955321, 5103640, 7910642, 15821284, 19776605, 31642568, 39553210, 79106420, 158212840]

約数ペア:

[(1, 158212840), (2, 79106420), (4, 39553210), (5, 31642568), (8, 19776605), (10, 15821284), (20, 7910642), (31, 5103640), (40, 3955321), (62, 2551820), (124, 1275910), (155, 1020728), (248, 637955), (310, 510364), (620, 255182), (1240, 127591)]