19612755280

素因数分解:

$2^4\times 5^1\times {\mathrm{313}}^1\times {\mathrm{783257}}^1$

素因数の和:783583

約数の個数: 40

約数和(自身を含む): 45745400232

約数和(自身を除く): 26132644952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 313, 626, 1252, 1565, 2504, 3130, 5008, 6260, 12520, 25040, 783257, 1566514, 3133028, 3916285, 6266056, 7832570, 12532112, 15665140, 31330280, 62660560, 245159441, 490318882, 980637764, 1225797205, 1961275528, 2451594410, 3922551056, 4903188820, 9806377640, 19612755280]

約数ペア:

[(1, 19612755280), (2, 9806377640), (4, 4903188820), (5, 3922551056), (8, 2451594410), (10, 1961275528), (16, 1225797205), (20, 980637764), (40, 490318882), (80, 245159441), (313, 62660560), (626, 31330280), (1252, 15665140), (1565, 12532112), (2504, 7832570), (3130, 6266056), (5008, 3916285), (6260, 3133028), (12520, 1566514), (25040, 783257)]