20138051375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{149309}}^1$

素因数の和:149420

約数の個数: 32

約数和(自身を含む): 27391815360

約数和(自身を除く): 7253763985

約数列:

[1, 5, 13, 25, 65, 83, 125, 325, 415, 1079, 1625, 2075, 5395, 10375, 26975, 134875, 149309, 746545, 1941017, 3732725, 9705085, 12392647, 18663625, 48525425, 61963235, 161104411, 242627125, 309816175, 805522055, 1549080875, 4027610275, 20138051375]

約数ペア:

[(1, 20138051375), (5, 4027610275), (13, 1549080875), (25, 805522055), (65, 309816175), (83, 242627125), (125, 161104411), (325, 61963235), (415, 48525425), (1079, 18663625), (1625, 12392647), (2075, 9705085), (5395, 3732725), (10375, 1941017), (26975, 746545), (134875, 149309)]