25133660

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 54486432

約数和(自身を除く): 29352772

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 131, 181, 212, 262, 265, 362, 524, 530, 655, 724, 905, 1060, 1310, 1810, 2620, 3620, 6943, 9593, 13886, 19186, 23711, 27772, 34715, 38372, 47422, 47965, 69430, 94844, 95930, 118555, 138860, 191860, 237110, 474220, 1256683, 2513366, 5026732, 6283415, 12566830, 25133660]

約数ペア:

[(1, 25133660), (2, 12566830), (4, 6283415), (5, 5026732), (10, 2513366), (20, 1256683), (53, 474220), (106, 237110), (131, 191860), (181, 138860), (212, 118555), (262, 95930), (265, 94844), (362, 69430), (524, 47965), (530, 47422), (655, 38372), (724, 34715), (905, 27772), (1060, 23711), (1310, 19186), (1810, 13886), (2620, 9593), (3620, 6943)]