61504340

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{317}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 132224400

約数和(自身を除く): 70720060

約数列:

[1, 2, 4, 5, 10, 20, 89, 109, 178, 218, 317, 356, 436, 445, 545, 634, 890, 1090, 1268, 1585, 1780, 2180, 3170, 6340, 9701, 19402, 28213, 34553, 38804, 48505, 56426, 69106, 97010, 112852, 138212, 141065, 172765, 194020, 282130, 345530, 564260, 691060, 3075217, 6150434, 12300868, 15376085, 30752170, 61504340]

約数ペア:

[(1, 61504340), (2, 30752170), (4, 15376085), (5, 12300868), (10, 6150434), (20, 3075217), (89, 691060), (109, 564260), (178, 345530), (218, 282130), (317, 194020), (356, 172765), (436, 141065), (445, 138212), (545, 112852), (634, 97010), (890, 69106), (1090, 56426), (1268, 48505), (1585, 38804), (1780, 34553), (2180, 28213), (3170, 19402), (6340, 9701)]