65587720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{6481}}^1$

素因数の和:6526

約数の個数: 64

約数和(自身を含む): 168013440

約数和(自身を除く): 102425720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 2024, 2530, 5060, 6481, 10120, 12962, 25924, 32405, 51848, 64810, 71291, 129620, 142582, 149063, 259240, 285164, 298126, 356455, 570328, 596252, 712910, 745315, 1192504, 1425820, 1490630, 1639693, 2851640, 2981260, 3279386, 5962520, 6558772, 8198465, 13117544, 16396930, 32793860, 65587720]

約数ペア:

[(1, 65587720), (2, 32793860), (4, 16396930), (5, 13117544), (8, 8198465), (10, 6558772), (11, 5962520), (20, 3279386), (22, 2981260), (23, 2851640), (40, 1639693), (44, 1490630), (46, 1425820), (55, 1192504), (88, 745315), (92, 712910), (110, 596252), (115, 570328), (184, 356455), (220, 298126), (230, 285164), (253, 259240), (440, 149063), (460, 142582), (506, 129620), (920, 71291), (1012, 64810), (1265, 51848), (2024, 32405), (2530, 25924), (5060, 12962), (6481, 10120)]