12358540

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 26943840

約数和(自身を除く): 14585300

約数列:

[1, 2, 4, 5, 10, 20, 53, 89, 106, 131, 178, 212, 262, 265, 356, 445, 524, 530, 655, 890, 1060, 1310, 1780, 2620, 4717, 6943, 9434, 11659, 13886, 18868, 23318, 23585, 27772, 34715, 46636, 47170, 58295, 69430, 94340, 116590, 138860, 233180, 617927, 1235854, 2471708, 3089635, 6179270, 12358540]

約数ペア:

[(1, 12358540), (2, 6179270), (4, 3089635), (5, 2471708), (10, 1235854), (20, 617927), (53, 233180), (89, 138860), (106, 116590), (131, 94340), (178, 69430), (212, 58295), (262, 47170), (265, 46636), (356, 34715), (445, 27772), (524, 23585), (530, 23318), (655, 18868), (890, 13886), (1060, 11659), (1310, 9434), (1780, 6943), (2620, 4717)]