39964125

素因数分解:

$3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 71884800

約数和(自身を除く): 31920675

約数列:

[1, 3, 5, 15, 19, 25, 57, 71, 75, 79, 95, 125, 213, 237, 285, 355, 375, 395, 475, 1065, 1185, 1349, 1425, 1501, 1775, 1975, 2375, 4047, 4503, 5325, 5609, 5925, 6745, 7125, 7505, 8875, 9875, 16827, 20235, 22515, 26625, 28045, 29625, 33725, 37525, 84135, 101175, 106571, 112575, 140225, 168625, 187625, 319713, 420675, 505875, 532855, 562875, 701125, 1598565, 2103375, 2664275, 7992825, 13321375, 39964125]

約数ペア:

[(1, 39964125), (3, 13321375), (5, 7992825), (15, 2664275), (19, 2103375), (25, 1598565), (57, 701125), (71, 562875), (75, 532855), (79, 505875), (95, 420675), (125, 319713), (213, 187625), (237, 168625), (285, 140225), (355, 112575), (375, 106571), (395, 101175), (475, 84135), (1065, 37525), (1185, 33725), (1349, 29625), (1425, 28045), (1501, 26625), (1775, 22515), (1975, 20235), (2375, 16827), (4047, 9875), (4503, 8875), (5325, 7505), (5609, 7125), (5925, 6745)]