1385151520

素因数分解:

$2^5\times 5^1\times {\mathrm{977}}^1\times {\mathrm{8861}}^1$

素因数の和:9853

約数の個数: 48

約数和(自身を含む): 3276139608

約数和(自身を除く): 1890988088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 977, 1954, 3908, 4885, 7816, 8861, 9770, 15632, 17722, 19540, 31264, 35444, 39080, 44305, 70888, 78160, 88610, 141776, 156320, 177220, 283552, 354440, 708880, 1417760, 8657197, 17314394, 34628788, 43285985, 69257576, 86571970, 138515152, 173143940, 277030304, 346287880, 692575760, 1385151520]

約数ペア:

[(1, 1385151520), (2, 692575760), (4, 346287880), (5, 277030304), (8, 173143940), (10, 138515152), (16, 86571970), (20, 69257576), (32, 43285985), (40, 34628788), (80, 17314394), (160, 8657197), (977, 1417760), (1954, 708880), (3908, 354440), (4885, 283552), (7816, 177220), (8861, 156320), (9770, 141776), (15632, 88610), (17722, 78160), (19540, 70888), (31264, 44305), (35444, 39080)]