40507900

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{7643}}^1$

素因数の和:7710

約数の個数: 36

約数和(自身を含む): 89572392

約数和(自身を除く): 49064492

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 212, 265, 530, 1060, 1325, 2650, 5300, 7643, 15286, 30572, 38215, 76430, 152860, 191075, 382150, 405079, 764300, 810158, 1620316, 2025395, 4050790, 8101580, 10126975, 20253950, 40507900]

約数ペア:

[(1, 40507900), (2, 20253950), (4, 10126975), (5, 8101580), (10, 4050790), (20, 2025395), (25, 1620316), (50, 810158), (53, 764300), (100, 405079), (106, 382150), (212, 191075), (265, 152860), (530, 76430), (1060, 38215), (1325, 30572), (2650, 15286), (5300, 7643)]