20409815750

素因数分解:

$2^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{409}}^1\times {\mathrm{6883}}^1$

素因数の和:7338

約数の個数: 64

約数和(自身を含む): 39627057600

約数和(自身を除く): 19217241850

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 125, 145, 250, 290, 409, 725, 818, 1450, 2045, 3625, 4090, 6883, 7250, 10225, 11861, 13766, 20450, 23722, 34415, 51125, 59305, 68830, 102250, 118610, 172075, 199607, 296525, 344150, 399214, 593050, 860375, 998035, 1482625, 1720750, 1996070, 2815147, 2965250, 4990175, 5630294, 9980350, 14075735, 24950875, 28151470, 49901750, 70378675, 81639263, 140757350, 163278526, 351893375, 408196315, 703786750, 816392630, 2040981575, 4081963150, 10204907875, 20409815750]

約数ペア:

[(1, 20409815750), (2, 10204907875), (5, 4081963150), (10, 2040981575), (25, 816392630), (29, 703786750), (50, 408196315), (58, 351893375), (125, 163278526), (145, 140757350), (250, 81639263), (290, 70378675), (409, 49901750), (725, 28151470), (818, 24950875), (1450, 14075735), (2045, 9980350), (3625, 5630294), (4090, 4990175), (6883, 2965250), (7250, 2815147), (10225, 1996070), (11861, 1720750), (13766, 1482625), (20450, 998035), (23722, 860375), (34415, 593050), (51125, 399214), (59305, 344150), (68830, 296525), (102250, 199607), (118610, 172075)]