395912960

素因数分解:

$2^8\times 5^1\times {\mathrm{47}}^1\times {\mathrm{6581}}^1$

素因数の和:6649

約数の個数: 72

約数和(自身を含む): 968659776

約数和(自身を除く): 572746816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 256, 320, 376, 470, 640, 752, 940, 1280, 1504, 1880, 3008, 3760, 6016, 6581, 7520, 12032, 13162, 15040, 26324, 30080, 32905, 52648, 60160, 65810, 105296, 131620, 210592, 263240, 309307, 421184, 526480, 618614, 842368, 1052960, 1237228, 1546535, 1684736, 2105920, 2474456, 3093070, 4211840, 4948912, 6186140, 8423680, 9897824, 12372280, 19795648, 24744560, 39591296, 49489120, 79182592, 98978240, 197956480, 395912960]

約数ペア:

[(1, 395912960), (2, 197956480), (4, 98978240), (5, 79182592), (8, 49489120), (10, 39591296), (16, 24744560), (20, 19795648), (32, 12372280), (40, 9897824), (47, 8423680), (64, 6186140), (80, 4948912), (94, 4211840), (128, 3093070), (160, 2474456), (188, 2105920), (235, 1684736), (256, 1546535), (320, 1237228), (376, 1052960), (470, 842368), (640, 618614), (752, 526480), (940, 421184), (1280, 309307), (1504, 263240), (1880, 210592), (3008, 131620), (3760, 105296), (6016, 65810), (6581, 60160), (7520, 52648), (12032, 32905), (13162, 30080), (15040, 26324)]