38720560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:502

約数の個数: 80

約数和(自身を含む): 96904512

約数和(自身を除く): 58183952

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 71, 80, 85, 136, 142, 170, 272, 284, 340, 355, 401, 568, 680, 710, 802, 1136, 1207, 1360, 1420, 1604, 2005, 2414, 2840, 3208, 4010, 4828, 5680, 6035, 6416, 6817, 8020, 9656, 12070, 13634, 16040, 19312, 24140, 27268, 28471, 32080, 34085, 48280, 54536, 56942, 68170, 96560, 109072, 113884, 136340, 142355, 227768, 272680, 284710, 455536, 484007, 545360, 569420, 968014, 1138840, 1936028, 2277680, 2420035, 3872056, 4840070, 7744112, 9680140, 19360280, 38720560]

約数ペア:

[(1, 38720560), (2, 19360280), (4, 9680140), (5, 7744112), (8, 4840070), (10, 3872056), (16, 2420035), (17, 2277680), (20, 1936028), (34, 1138840), (40, 968014), (68, 569420), (71, 545360), (80, 484007), (85, 455536), (136, 284710), (142, 272680), (170, 227768), (272, 142355), (284, 136340), (340, 113884), (355, 109072), (401, 96560), (568, 68170), (680, 56942), (710, 54536), (802, 48280), (1136, 34085), (1207, 32080), (1360, 28471), (1420, 27268), (1604, 24140), (2005, 19312), (2414, 16040), (2840, 13634), (3208, 12070), (4010, 9656), (4828, 8020), (5680, 6817), (6035, 6416)]