89995750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{27691}}^1$

素因数の和:27721

約数の個数: 32

約数和(自身を含む): 181437984

約数和(自身を除く): 91442234

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 27691, 55382, 138455, 276910, 359983, 692275, 719966, 1384550, 1799915, 3461375, 3599830, 6922750, 8999575, 17999150, 44997875, 89995750]

約数ペア:

[(1, 89995750), (2, 44997875), (5, 17999150), (10, 8999575), (13, 6922750), (25, 3599830), (26, 3461375), (50, 1799915), (65, 1384550), (125, 719966), (130, 692275), (250, 359983), (325, 276910), (650, 138455), (1625, 55382), (3250, 27691)]