51372980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2477}}^1$

素因数の和:2564

約数の個数: 48

約数和(自身を含む): 116148816

約数和(自身を除く): 64775836

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 170, 244, 305, 340, 610, 1037, 1220, 2074, 2477, 4148, 4954, 5185, 9908, 10370, 12385, 20740, 24770, 42109, 49540, 84218, 151097, 168436, 210545, 302194, 421090, 604388, 755485, 842180, 1510970, 2568649, 3021940, 5137298, 10274596, 12843245, 25686490, 51372980]

約数ペア:

[(1, 51372980), (2, 25686490), (4, 12843245), (5, 10274596), (10, 5137298), (17, 3021940), (20, 2568649), (34, 1510970), (61, 842180), (68, 755485), (85, 604388), (122, 421090), (170, 302194), (244, 210545), (305, 168436), (340, 151097), (610, 84218), (1037, 49540), (1220, 42109), (2074, 24770), (2477, 20740), (4148, 12385), (4954, 10370), (5185, 9908)]