204560045

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 263208960

約数和(自身を除く): 58648915

約数列:

[1, 5, 23, 67, 115, 139, 191, 335, 695, 955, 1541, 3197, 4393, 7705, 9313, 12797, 15985, 21965, 26549, 46565, 63985, 132745, 214199, 294331, 610627, 1070995, 1471655, 1778783, 3053135, 8893915, 40912009, 204560045]

約数ペア:

[(1, 204560045), (5, 40912009), (23, 8893915), (67, 3053135), (115, 1778783), (139, 1471655), (191, 1070995), (335, 610627), (695, 294331), (955, 214199), (1541, 132745), (3197, 63985), (4393, 46565), (7705, 26549), (9313, 21965), (12797, 15985)]