85441980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109541}}^1$

素因数の和:109566

約数の個数: 48

約数和(自身を含む): 257642784

約数和(自身を除く): 172200804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 109541, 219082, 328623, 438164, 547705, 657246, 1095410, 1314492, 1424033, 1643115, 2190820, 2848066, 3286230, 4272099, 5696132, 6572460, 7120165, 8544198, 14240330, 17088396, 21360495, 28480660, 42720990, 85441980]

約数ペア:

[(1, 85441980), (2, 42720990), (3, 28480660), (4, 21360495), (5, 17088396), (6, 14240330), (10, 8544198), (12, 7120165), (13, 6572460), (15, 5696132), (20, 4272099), (26, 3286230), (30, 2848066), (39, 2190820), (52, 1643115), (60, 1424033), (65, 1314492), (78, 1095410), (130, 657246), (156, 547705), (195, 438164), (260, 328623), (390, 219082), (780, 109541)]