61464260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21491}}^1$

素因数の和:21524

約数の個数: 48

約数和(自身を含む): 151647552

約数和(自身を除く): 90183292

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 21491, 42982, 85964, 107455, 214910, 236401, 279383, 429820, 472802, 558766, 945604, 1117532, 1182005, 1396915, 2364010, 2793830, 3073213, 4728020, 5587660, 6146426, 12292852, 15366065, 30732130, 61464260]

約数ペア:

[(1, 61464260), (2, 30732130), (4, 15366065), (5, 12292852), (10, 6146426), (11, 5587660), (13, 4728020), (20, 3073213), (22, 2793830), (26, 2364010), (44, 1396915), (52, 1182005), (55, 1117532), (65, 945604), (110, 558766), (130, 472802), (143, 429820), (220, 279383), (260, 236401), (286, 214910), (572, 107455), (715, 85964), (1430, 42982), (2860, 21491)]