65212180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{15601}}^1$

素因数の和:15640

約数の個数: 48

約数和(自身を含む): 157268160

約数和(自身を除く): 92055980

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, 15601, 31202, 62404, 78005, 156010, 171611, 296419, 312020, 343222, 592838, 686444, 858055, 1185676, 1482095, 1716110, 2964190, 3260609, 3432220, 5928380, 6521218, 13042436, 16303045, 32606090, 65212180]

約数ペア:

[(1, 65212180), (2, 32606090), (4, 16303045), (5, 13042436), (10, 6521218), (11, 5928380), (19, 3432220), (20, 3260609), (22, 2964190), (38, 1716110), (44, 1482095), (55, 1185676), (76, 858055), (95, 686444), (110, 592838), (190, 343222), (209, 312020), (220, 296419), (380, 171611), (418, 156010), (836, 78005), (1045, 62404), (2090, 31202), (4180, 15601)]