20725363250

素因数分解:

$2^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{40499}}^1$

素因数の和:40628

約数の個数: 64

約数和(自身を含む): 40940640000

約数和(自身を除く): 20215276750

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 89, 115, 125, 178, 230, 250, 445, 575, 890, 1150, 2047, 2225, 2875, 4094, 4450, 5750, 10235, 11125, 20470, 22250, 40499, 51175, 80998, 102350, 202495, 255875, 404990, 511750, 931477, 1012475, 1862954, 2024950, 3604411, 4657385, 5062375, 7208822, 9314770, 10124750, 18022055, 23286925, 36044110, 46573850, 82901453, 90110275, 116434625, 165802906, 180220550, 232869250, 414507265, 450551375, 829014530, 901102750, 2072536325, 4145072650, 10362681625, 20725363250]

約数ペア:

[(1, 20725363250), (2, 10362681625), (5, 4145072650), (10, 2072536325), (23, 901102750), (25, 829014530), (46, 450551375), (50, 414507265), (89, 232869250), (115, 180220550), (125, 165802906), (178, 116434625), (230, 90110275), (250, 82901453), (445, 46573850), (575, 36044110), (890, 23286925), (1150, 18022055), (2047, 10124750), (2225, 9314770), (2875, 7208822), (4094, 5062375), (4450, 4657385), (5750, 3604411), (10235, 2024950), (11125, 1862954), (20470, 1012475), (22250, 931477), (40499, 511750), (51175, 404990), (80998, 255875), (102350, 202495)]