40258140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51613}}^1$

素因数の和:51638

約数の個数: 48

約数和(自身を含む): 121396128

約数和(自身を除く): 81137988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 51613, 103226, 154839, 206452, 258065, 309678, 516130, 619356, 670969, 774195, 1032260, 1341938, 1548390, 2012907, 2683876, 3096780, 3354845, 4025814, 6709690, 8051628, 10064535, 13419380, 20129070, 40258140]

約数ペア:

[(1, 40258140), (2, 20129070), (3, 13419380), (4, 10064535), (5, 8051628), (6, 6709690), (10, 4025814), (12, 3354845), (13, 3096780), (15, 2683876), (20, 2012907), (26, 1548390), (30, 1341938), (39, 1032260), (52, 774195), (60, 670969), (65, 619356), (78, 516130), (130, 309678), (156, 258065), (195, 206452), (260, 154839), (390, 103226), (780, 51613)]