28508788220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{11780491}}^1$

素因数の和:11780522

約数の個数: 36

約数和(自身を含む): 65805828312

約数和(自身を除く): 37297040092

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 11780491, 23560982, 47121964, 58902455, 117804910, 129585401, 235609820, 259170802, 518341604, 647927005, 1295854010, 1425439411, 2591708020, 2850878822, 5701757644, 7127197055, 14254394110, 28508788220]

約数ペア:

[(1, 28508788220), (2, 14254394110), (4, 7127197055), (5, 5701757644), (10, 2850878822), (11, 2591708020), (20, 1425439411), (22, 1295854010), (44, 647927005), (55, 518341604), (110, 259170802), (121, 235609820), (220, 129585401), (242, 117804910), (484, 58902455), (605, 47121964), (1210, 23560982), (2420, 11780491)]