72620080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69827}}^1$

素因数の和:69853

約数の個数: 40

約数和(自身を含む): 181832112

約数和(自身を除く): 109212032

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 69827, 139654, 279308, 349135, 558616, 698270, 907751, 1117232, 1396540, 1815502, 2793080, 3631004, 4538755, 5586160, 7262008, 9077510, 14524016, 18155020, 36310040, 72620080]

約数ペア:

[(1, 72620080), (2, 36310040), (4, 18155020), (5, 14524016), (8, 9077510), (10, 7262008), (13, 5586160), (16, 4538755), (20, 3631004), (26, 2793080), (40, 1815502), (52, 1396540), (65, 1117232), (80, 907751), (104, 698270), (130, 558616), (208, 349135), (260, 279308), (520, 139654), (1040, 69827)]