72419620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{39791}}^1$

素因数の和:39820

約数の個数: 48

約数和(自身を含む): 187181568

約数和(自身を除く): 114761948

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 39791, 79582, 159164, 198955, 278537, 397910, 517283, 557074, 795820, 1034566, 1114148, 1392685, 2069132, 2586415, 2785370, 3620981, 5172830, 5570740, 7241962, 10345660, 14483924, 18104905, 36209810, 72419620]

約数ペア:

[(1, 72419620), (2, 36209810), (4, 18104905), (5, 14483924), (7, 10345660), (10, 7241962), (13, 5570740), (14, 5172830), (20, 3620981), (26, 2785370), (28, 2586415), (35, 2069132), (52, 1392685), (65, 1114148), (70, 1034566), (91, 795820), (130, 557074), (140, 517283), (182, 397910), (260, 278537), (364, 198955), (455, 159164), (910, 79582), (1820, 39791)]