56347460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6991}}^1$

素因数の和:7044

約数の個数: 48

約数和(自身を含む): 131561472

約数和(自身を除く): 75214012

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 6991, 8060, 13982, 27964, 34955, 69910, 90883, 139820, 181766, 216721, 363532, 433442, 454415, 866884, 908830, 1083605, 1817660, 2167210, 2817373, 4334420, 5634746, 11269492, 14086865, 28173730, 56347460]

約数ペア:

[(1, 56347460), (2, 28173730), (4, 14086865), (5, 11269492), (10, 5634746), (13, 4334420), (20, 2817373), (26, 2167210), (31, 1817660), (52, 1083605), (62, 908830), (65, 866884), (124, 454415), (130, 433442), (155, 363532), (260, 216721), (310, 181766), (403, 139820), (620, 90883), (806, 69910), (1612, 34955), (2015, 27964), (4030, 13982), (6991, 8060)]