125898760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1229}}^1$

素因数の和:1450

約数の個数: 64

約数和(自身を含む): 306860400

約数和(自身を除く): 180961640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 197, 260, 394, 520, 788, 985, 1229, 1576, 1970, 2458, 2561, 3940, 4916, 5122, 6145, 7880, 9832, 10244, 12290, 12805, 15977, 20488, 24580, 25610, 31954, 49160, 51220, 63908, 79885, 102440, 127816, 159770, 242113, 319540, 484226, 639080, 968452, 1210565, 1936904, 2421130, 3147469, 4842260, 6294938, 9684520, 12589876, 15737345, 25179752, 31474690, 62949380, 125898760]

約数ペア:

[(1, 125898760), (2, 62949380), (4, 31474690), (5, 25179752), (8, 15737345), (10, 12589876), (13, 9684520), (20, 6294938), (26, 4842260), (40, 3147469), (52, 2421130), (65, 1936904), (104, 1210565), (130, 968452), (197, 639080), (260, 484226), (394, 319540), (520, 242113), (788, 159770), (985, 127816), (1229, 102440), (1576, 79885), (1970, 63908), (2458, 51220), (2561, 49160), (3940, 31954), (4916, 25610), (5122, 24580), (6145, 20488), (7880, 15977), (9832, 12805), (10244, 12290)]