42213860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{709}}^1$

素因数の和:960

約数の個数: 48

約数和(自身を含む): 96020400

約数和(自身を除く): 53806540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 229, 260, 458, 709, 916, 1145, 1418, 2290, 2836, 2977, 3545, 4580, 5954, 7090, 9217, 11908, 14180, 14885, 18434, 29770, 36868, 46085, 59540, 92170, 162361, 184340, 324722, 649444, 811805, 1623610, 2110693, 3247220, 4221386, 8442772, 10553465, 21106930, 42213860]

約数ペア:

[(1, 42213860), (2, 21106930), (4, 10553465), (5, 8442772), (10, 4221386), (13, 3247220), (20, 2110693), (26, 1623610), (52, 811805), (65, 649444), (130, 324722), (229, 184340), (260, 162361), (458, 92170), (709, 59540), (916, 46085), (1145, 36868), (1418, 29770), (2290, 18434), (2836, 14885), (2977, 14180), (3545, 11908), (4580, 9217), (5954, 7090)]