51889420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{1447}}^1$

素因数の和:1630

約数の個数: 48

約数和(自身を含む): 119685888

約数和(自身を除く): 67796468

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 163, 220, 326, 652, 815, 1447, 1630, 1793, 2894, 3260, 3586, 5788, 7172, 7235, 8965, 14470, 15917, 17930, 28940, 31834, 35860, 63668, 79585, 159170, 235861, 318340, 471722, 943444, 1179305, 2358610, 2594471, 4717220, 5188942, 10377884, 12972355, 25944710, 51889420]

約数ペア:

[(1, 51889420), (2, 25944710), (4, 12972355), (5, 10377884), (10, 5188942), (11, 4717220), (20, 2594471), (22, 2358610), (44, 1179305), (55, 943444), (110, 471722), (163, 318340), (220, 235861), (326, 159170), (652, 79585), (815, 63668), (1447, 35860), (1630, 31834), (1793, 28940), (2894, 17930), (3260, 15917), (3586, 14470), (5788, 8965), (7172, 7235)]