61514980

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{443}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 132922944

約数和(自身を除く): 71407964

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 131, 212, 262, 265, 443, 524, 530, 655, 886, 1060, 1310, 1772, 2215, 2620, 4430, 6943, 8860, 13886, 23479, 27772, 34715, 46958, 58033, 69430, 93916, 116066, 117395, 138860, 232132, 234790, 290165, 469580, 580330, 1160660, 3075749, 6151498, 12302996, 15378745, 30757490, 61514980]

約数ペア:

[(1, 61514980), (2, 30757490), (4, 15378745), (5, 12302996), (10, 6151498), (20, 3075749), (53, 1160660), (106, 580330), (131, 469580), (212, 290165), (262, 234790), (265, 232132), (443, 138860), (524, 117395), (530, 116066), (655, 93916), (886, 69430), (1060, 58033), (1310, 46958), (1772, 34715), (2215, 27772), (2620, 23479), (4430, 13886), (6943, 8860)]