72488720

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{10181}}^1$

素因数の和:10283

約数の個数: 40

約数和(自身を含む): 170446680

約数和(自身を除く): 97957960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 10181, 20362, 40724, 50905, 81448, 101810, 162896, 203620, 407240, 814480, 906109, 1812218, 3624436, 4530545, 7248872, 9061090, 14497744, 18122180, 36244360, 72488720]

約数ペア:

[(1, 72488720), (2, 36244360), (4, 18122180), (5, 14497744), (8, 9061090), (10, 7248872), (16, 4530545), (20, 3624436), (40, 1812218), (80, 906109), (89, 814480), (178, 407240), (356, 203620), (445, 162896), (712, 101810), (890, 81448), (1424, 50905), (1780, 40724), (3560, 20362), (7120, 10181)]