74400020

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{13829}}^1$

素因数の和:14107

約数の個数: 24

約数和(自身を含む): 156832200

約数和(自身を除く): 82432180

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 5380, 13829, 27658, 55316, 69145, 138290, 276580, 3720001, 7440002, 14880004, 18600005, 37200010, 74400020]

約数ペア:

[(1, 74400020), (2, 37200010), (4, 18600005), (5, 14880004), (10, 7440002), (20, 3720001), (269, 276580), (538, 138290), (1076, 69145), (1345, 55316), (2690, 27658), (5380, 13829)]