64850380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{15973}}^1$

素因数の和:16018

約数の個数: 48

約数和(自身を含む): 161017920

約数和(自身を除く): 96167540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 15973, 31946, 63892, 79865, 111811, 159730, 223622, 319460, 447244, 463217, 559055, 926434, 1118110, 1852868, 2236220, 2316085, 3242519, 4632170, 6485038, 9264340, 12970076, 16212595, 32425190, 64850380]

約数ペア:

[(1, 64850380), (2, 32425190), (4, 16212595), (5, 12970076), (7, 9264340), (10, 6485038), (14, 4632170), (20, 3242519), (28, 2316085), (29, 2236220), (35, 1852868), (58, 1118110), (70, 926434), (116, 559055), (140, 463217), (145, 447244), (203, 319460), (290, 223622), (406, 159730), (580, 111811), (812, 79865), (1015, 63892), (2030, 31946), (4060, 15973)]