40531840

素因数分解:

$2^7\times 5^1\times {\mathrm{63331}}^1$

素因数の和:63350

約数の個数: 32

約数和(自身を含む): 96897960

約数和(自身を除く): 56366120

約数列:

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

約数ペア:

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