66708620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{15959}}^1$

素因数の和:15998

約数の個数: 48

約数和(自身を含む): 160876800

約数和(自身を除く): 94168180

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, 2090, 4180, 15959, 31918, 63836, 79795, 159590, 175549, 303221, 319180, 351098, 606442, 702196, 877745, 1212884, 1516105, 1755490, 3032210, 3335431, 3510980, 6064420, 6670862, 13341724, 16677155, 33354310, 66708620]

約数ペア:

[(1, 66708620), (2, 33354310), (4, 16677155), (5, 13341724), (10, 6670862), (11, 6064420), (19, 3510980), (20, 3335431), (22, 3032210), (38, 1755490), (44, 1516105), (55, 1212884), (76, 877745), (95, 702196), (110, 606442), (190, 351098), (209, 319180), (220, 303221), (380, 175549), (418, 159590), (836, 79795), (1045, 63836), (2090, 31918), (4180, 15959)]