2563670440

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{223}}^1\times {\mathrm{1721}}^1$

素因数の和:2122

約数の個数: 64

約数和(自身を含む): 5832207360

約数和(自身を除く): 3268536920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 223, 334, 446, 668, 835, 892, 1115, 1336, 1670, 1721, 1784, 2230, 3340, 3442, 4460, 6680, 6884, 8605, 8920, 13768, 17210, 34420, 37241, 68840, 74482, 148964, 186205, 287407, 297928, 372410, 383783, 574814, 744820, 767566, 1149628, 1437035, 1489640, 1535132, 1918915, 2299256, 2874070, 3070264, 3837830, 5748140, 7675660, 11496280, 15351320, 64091761, 128183522, 256367044, 320458805, 512734088, 640917610, 1281835220, 2563670440]

約数ペア:

[(1, 2563670440), (2, 1281835220), (4, 640917610), (5, 512734088), (8, 320458805), (10, 256367044), (20, 128183522), (40, 64091761), (167, 15351320), (223, 11496280), (334, 7675660), (446, 5748140), (668, 3837830), (835, 3070264), (892, 2874070), (1115, 2299256), (1336, 1918915), (1670, 1535132), (1721, 1489640), (1784, 1437035), (2230, 1149628), (3340, 767566), (3442, 744820), (4460, 574814), (6680, 383783), (6884, 372410), (8605, 297928), (8920, 287407), (13768, 186205), (17210, 148964), (34420, 74482), (37241, 68840)]