2005152040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{829}}^1\times {\mathrm{3557}}^1$

素因数の和:4414

約数の個数: 64

約数和(自身を含む): 4784086800

約数和(自身を除く): 2778934760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 829, 1658, 3316, 3557, 4145, 6632, 7114, 8290, 14093, 14228, 16580, 17785, 28186, 28456, 33160, 35570, 56372, 60469, 70465, 71140, 112744, 120938, 140930, 142280, 241876, 281860, 302345, 483752, 563720, 604690, 1209380, 2418760, 2948753, 5897506, 11795012, 14743765, 23590024, 29487530, 50128801, 58975060, 100257602, 117950120, 200515204, 250644005, 401030408, 501288010, 1002576020, 2005152040]

約数ペア:

[(1, 2005152040), (2, 1002576020), (4, 501288010), (5, 401030408), (8, 250644005), (10, 200515204), (17, 117950120), (20, 100257602), (34, 58975060), (40, 50128801), (68, 29487530), (85, 23590024), (136, 14743765), (170, 11795012), (340, 5897506), (680, 2948753), (829, 2418760), (1658, 1209380), (3316, 604690), (3557, 563720), (4145, 483752), (6632, 302345), (7114, 281860), (8290, 241876), (14093, 142280), (14228, 140930), (16580, 120938), (17785, 112744), (28186, 71140), (28456, 70465), (33160, 60469), (35570, 56372)]