42841720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{173}}^1$

素因数の和:376

約数の個数: 64

約数和(自身を含む): 99973440

約数和(自身を除く): 57131720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 151, 164, 173, 205, 302, 328, 346, 410, 604, 692, 755, 820, 865, 1208, 1384, 1510, 1640, 1730, 3020, 3460, 6040, 6191, 6920, 7093, 12382, 14186, 24764, 26123, 28372, 30955, 35465, 49528, 52246, 56744, 61910, 70930, 104492, 123820, 130615, 141860, 208984, 247640, 261230, 283720, 522460, 1044920, 1071043, 2142086, 4284172, 5355215, 8568344, 10710430, 21420860, 42841720]

約数ペア:

[(1, 42841720), (2, 21420860), (4, 10710430), (5, 8568344), (8, 5355215), (10, 4284172), (20, 2142086), (40, 1071043), (41, 1044920), (82, 522460), (151, 283720), (164, 261230), (173, 247640), (205, 208984), (302, 141860), (328, 130615), (346, 123820), (410, 104492), (604, 70930), (692, 61910), (755, 56744), (820, 52246), (865, 49528), (1208, 35465), (1384, 30955), (1510, 28372), (1640, 26123), (1730, 24764), (3020, 14186), (3460, 12382), (6040, 7093), (6191, 6920)]