2009886320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{11171}}^1$

素因数の和:11370

約数の個数: 80

約数和(自身を含む): 5061988512

約数和(自身を除く): 3052102192

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 173, 208, 260, 346, 520, 692, 865, 1040, 1384, 1730, 2249, 2768, 3460, 4498, 6920, 8996, 11171, 11245, 13840, 17992, 22342, 22490, 35984, 44684, 44980, 55855, 89368, 89960, 111710, 145223, 178736, 179920, 223420, 290446, 446840, 580892, 726115, 893680, 1161784, 1452230, 1932583, 2323568, 2904460, 3865166, 5808920, 7730332, 9662915, 11617840, 15460664, 19325830, 25123579, 30921328, 38651660, 50247158, 77303320, 100494316, 125617895, 154606640, 200988632, 251235790, 401977264, 502471580, 1004943160, 2009886320]

約数ペア:

[(1, 2009886320), (2, 1004943160), (4, 502471580), (5, 401977264), (8, 251235790), (10, 200988632), (13, 154606640), (16, 125617895), (20, 100494316), (26, 77303320), (40, 50247158), (52, 38651660), (65, 30921328), (80, 25123579), (104, 19325830), (130, 15460664), (173, 11617840), (208, 9662915), (260, 7730332), (346, 5808920), (520, 3865166), (692, 2904460), (865, 2323568), (1040, 1932583), (1384, 1452230), (1730, 1161784), (2249, 893680), (2768, 726115), (3460, 580892), (4498, 446840), (6920, 290446), (8996, 223420), (11171, 179920), (11245, 178736), (13840, 145223), (17992, 111710), (22342, 89960), (22490, 89368), (35984, 55855), (44684, 44980)]