40587440

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{2803}}^1$

素因数の和:2997

約数の個数: 40

約数和(自身を含む): 94921008

約数和(自身を除く): 54333568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 724, 905, 1448, 1810, 2803, 2896, 3620, 5606, 7240, 11212, 14015, 14480, 22424, 28030, 44848, 56060, 112120, 224240, 507343, 1014686, 2029372, 2536715, 4058744, 5073430, 8117488, 10146860, 20293720, 40587440]

約数ペア:

[(1, 40587440), (2, 20293720), (4, 10146860), (5, 8117488), (8, 5073430), (10, 4058744), (16, 2536715), (20, 2029372), (40, 1014686), (80, 507343), (181, 224240), (362, 112120), (724, 56060), (905, 44848), (1448, 28030), (1810, 22424), (2803, 14480), (2896, 14015), (3620, 11212), (5606, 7240)]