89465840

素因数分解:

$2^4\times 5^1\times {\mathrm{659}}^1\times {\mathrm{1697}}^1$

素因数の和:2369

約数の個数: 40

約数和(自身を含む): 208446480

約数和(自身を除く): 118980640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 659, 1318, 1697, 2636, 3295, 3394, 5272, 6590, 6788, 8485, 10544, 13180, 13576, 16970, 26360, 27152, 33940, 52720, 67880, 135760, 1118323, 2236646, 4473292, 5591615, 8946584, 11183230, 17893168, 22366460, 44732920, 89465840]

約数ペア:

[(1, 89465840), (2, 44732920), (4, 22366460), (5, 17893168), (8, 11183230), (10, 8946584), (16, 5591615), (20, 4473292), (40, 2236646), (80, 1118323), (659, 135760), (1318, 67880), (1697, 52720), (2636, 33940), (3295, 27152), (3394, 26360), (5272, 16970), (6590, 13576), (6788, 13180), (8485, 10544)]