201228040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{386977}}^1$

素因数の和:387001

約数の個数: 32

約数和(自身を含む): 487592280

約数和(自身を除く): 286364240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 386977, 773954, 1547908, 1934885, 3095816, 3869770, 5030701, 7739540, 10061402, 15479080, 20122804, 25153505, 40245608, 50307010, 100614020, 201228040]

約数ペア:

[(1, 201228040), (2, 100614020), (4, 50307010), (5, 40245608), (8, 25153505), (10, 20122804), (13, 15479080), (20, 10061402), (26, 7739540), (40, 5030701), (52, 3869770), (65, 3095816), (104, 1934885), (130, 1547908), (260, 773954), (520, 386977)]