7851220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30197}}^1$

素因数の和:30219

約数の個数: 24

約数和(自身を含む): 17756424

約数和(自身を除く): 9905204

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 30197, 60394, 120788, 150985, 301970, 392561, 603940, 785122, 1570244, 1962805, 3925610, 7851220]

約数ペア:

[(1, 7851220), (2, 3925610), (4, 1962805), (5, 1570244), (10, 785122), (13, 603940), (20, 392561), (26, 301970), (52, 150985), (65, 120788), (130, 60394), (260, 30197)]