9975885560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{63347}}^1$

素因数の和:63516

約数の個数: 64

約数和(自身を含む): 23352606720

約数和(自身を除く): 13376721160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 127, 155, 248, 254, 310, 508, 620, 635, 1016, 1240, 1270, 2540, 3937, 5080, 7874, 15748, 19685, 31496, 39370, 63347, 78740, 126694, 157480, 253388, 316735, 506776, 633470, 1266940, 1963757, 2533880, 3927514, 7855028, 8045069, 9818785, 15710056, 16090138, 19637570, 32180276, 39275140, 40225345, 64360552, 78550280, 80450690, 160901380, 249397139, 321802760, 498794278, 997588556, 1246985695, 1995177112, 2493971390, 4987942780, 9975885560]

約数ペア:

[(1, 9975885560), (2, 4987942780), (4, 2493971390), (5, 1995177112), (8, 1246985695), (10, 997588556), (20, 498794278), (31, 321802760), (40, 249397139), (62, 160901380), (124, 80450690), (127, 78550280), (155, 64360552), (248, 40225345), (254, 39275140), (310, 32180276), (508, 19637570), (620, 16090138), (635, 15710056), (1016, 9818785), (1240, 8045069), (1270, 7855028), (2540, 3927514), (3937, 2533880), (5080, 1963757), (7874, 1266940), (15748, 633470), (19685, 506776), (31496, 316735), (39370, 253388), (63347, 157480), (78740, 126694)]