5388020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1289}}^1$

素因数の和:1328

約数の個数: 48

約数和(自身を含む): 13003200

約数和(自身を除く): 7615180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 1289, 2090, 2578, 4180, 5156, 6445, 12890, 14179, 24491, 25780, 28358, 48982, 56716, 70895, 97964, 122455, 141790, 244910, 269401, 283580, 489820, 538802, 1077604, 1347005, 2694010, 5388020]

約数ペア:

[(1, 5388020), (2, 2694010), (4, 1347005), (5, 1077604), (10, 538802), (11, 489820), (19, 283580), (20, 269401), (22, 244910), (38, 141790), (44, 122455), (55, 97964), (76, 70895), (95, 56716), (110, 48982), (190, 28358), (209, 25780), (220, 24491), (380, 14179), (418, 12890), (836, 6445), (1045, 5156), (1289, 4180), (2090, 2578)]