7874620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{977}}^1$

素因数の和:1030

約数の個数: 48

約数和(自身を含む): 18402048

約数和(自身を除く): 10527428

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 977, 1612, 1954, 2015, 3908, 4030, 4885, 8060, 9770, 12701, 19540, 25402, 30287, 50804, 60574, 63505, 121148, 127010, 151435, 254020, 302870, 393731, 605740, 787462, 1574924, 1968655, 3937310, 7874620]

約数ペア:

[(1, 7874620), (2, 3937310), (4, 1968655), (5, 1574924), (10, 787462), (13, 605740), (20, 393731), (26, 302870), (31, 254020), (52, 151435), (62, 127010), (65, 121148), (124, 63505), (130, 60574), (155, 50804), (260, 30287), (310, 25402), (403, 19540), (620, 12701), (806, 9770), (977, 8060), (1612, 4885), (1954, 4030), (2015, 3908)]