81068390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{10223}}^1$

素因数の和:10304

約数の個数: 32

約数和(自身を含む): 159739776

約数和(自身を除く): 78671386

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 305, 610, 793, 1586, 3965, 7930, 10223, 20446, 51115, 102230, 132899, 265798, 623603, 664495, 1247206, 1328990, 3118015, 6236030, 8106839, 16213678, 40534195, 81068390]

約数ペア:

[(1, 81068390), (2, 40534195), (5, 16213678), (10, 8106839), (13, 6236030), (26, 3118015), (61, 1328990), (65, 1247206), (122, 664495), (130, 623603), (305, 265798), (610, 132899), (793, 102230), (1586, 51115), (3965, 20446), (7930, 10223)]