2038004020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7838477}}^1$

素因数の和:7838499

約数の個数: 24

約数和(自身を含む): 4609025064

約数和(自身を除く): 2571021044

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 7838477, 15676954, 31353908, 39192385, 78384770, 101900201, 156769540, 203800402, 407600804, 509501005, 1019002010, 2038004020]

約数ペア:

[(1, 2038004020), (2, 1019002010), (4, 509501005), (5, 407600804), (10, 203800402), (13, 156769540), (20, 101900201), (26, 78384770), (52, 39192385), (65, 31353908), (130, 15676954), (260, 7838477)]