81063680

素因数分解:

$2^8\times 5^1\times {\mathrm{63331}}^1$

素因数の和:63352

約数の個数: 36

約数和(自身を含む): 194175912

約数和(自身を除く): 113112232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 63331, 126662, 253324, 316655, 506648, 633310, 1013296, 1266620, 2026592, 2533240, 4053184, 5066480, 8106368, 10132960, 16212736, 20265920, 40531840, 81063680]

約数ペア:

[(1, 81063680), (2, 40531840), (4, 20265920), (5, 16212736), (8, 10132960), (10, 8106368), (16, 5066480), (20, 4053184), (32, 2533240), (40, 2026592), (64, 1266620), (80, 1013296), (128, 633310), (160, 506648), (256, 316655), (320, 253324), (640, 126662), (1280, 63331)]