4039854920

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{13687}}^1$

素因数の和:13902

約数の個数: 64

約数和(自身を含む): 9342881280

約数和(自身を除く): 5303026360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 157, 188, 235, 314, 376, 470, 628, 785, 940, 1256, 1570, 1880, 3140, 6280, 7379, 13687, 14758, 27374, 29516, 36895, 54748, 59032, 68435, 73790, 109496, 136870, 147580, 273740, 295160, 547480, 643289, 1286578, 2148859, 2573156, 3216445, 4297718, 5146312, 6432890, 8595436, 10744295, 12865780, 17190872, 21488590, 25731560, 42977180, 85954360, 100996373, 201992746, 403985492, 504981865, 807970984, 1009963730, 2019927460, 4039854920]

約数ペア:

[(1, 4039854920), (2, 2019927460), (4, 1009963730), (5, 807970984), (8, 504981865), (10, 403985492), (20, 201992746), (40, 100996373), (47, 85954360), (94, 42977180), (157, 25731560), (188, 21488590), (235, 17190872), (314, 12865780), (376, 10744295), (470, 8595436), (628, 6432890), (785, 5146312), (940, 4297718), (1256, 3216445), (1570, 2573156), (1880, 2148859), (3140, 1286578), (6280, 643289), (7379, 547480), (13687, 295160), (14758, 273740), (27374, 147580), (29516, 136870), (36895, 109496), (54748, 73790), (59032, 68435)]