89289040

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{7109}}^1$

素因数の和:7279

約数の個数: 40

約数和(自身を含む): 208948680

約数和(自身を除く): 119659640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2512, 3140, 6280, 7109, 12560, 14218, 28436, 35545, 56872, 71090, 113744, 142180, 284360, 568720, 1116113, 2232226, 4464452, 5580565, 8928904, 11161130, 17857808, 22322260, 44644520, 89289040]

約数ペア:

[(1, 89289040), (2, 44644520), (4, 22322260), (5, 17857808), (8, 11161130), (10, 8928904), (16, 5580565), (20, 4464452), (40, 2232226), (80, 1116113), (157, 568720), (314, 284360), (628, 142180), (785, 113744), (1256, 71090), (1570, 56872), (2512, 35545), (3140, 28436), (6280, 14218), (7109, 12560)]