23407540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{457}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 53322192

約数和(自身を除く): 29914652

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 197, 260, 394, 457, 788, 914, 985, 1828, 1970, 2285, 2561, 3940, 4570, 5122, 5941, 9140, 10244, 11882, 12805, 23764, 25610, 29705, 51220, 59410, 90029, 118820, 180058, 360116, 450145, 900290, 1170377, 1800580, 2340754, 4681508, 5851885, 11703770, 23407540]

約数ペア:

[(1, 23407540), (2, 11703770), (4, 5851885), (5, 4681508), (10, 2340754), (13, 1800580), (20, 1170377), (26, 900290), (52, 450145), (65, 360116), (130, 180058), (197, 118820), (260, 90029), (394, 59410), (457, 51220), (788, 29705), (914, 25610), (985, 23764), (1828, 12805), (1970, 11882), (2285, 10244), (2561, 9140), (3940, 5941), (4570, 5122)]