40178920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1823}}^1$

素因数の和:1882

約数の個数: 64

約数和(自身を含む): 98496000

約数和(自身を除く): 58317080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 76, 95, 116, 145, 152, 190, 232, 290, 380, 551, 580, 760, 1102, 1160, 1823, 2204, 2755, 3646, 4408, 5510, 7292, 9115, 11020, 14584, 18230, 22040, 34637, 36460, 52867, 69274, 72920, 105734, 138548, 173185, 211468, 264335, 277096, 346370, 422936, 528670, 692740, 1004473, 1057340, 1385480, 2008946, 2114680, 4017892, 5022365, 8035784, 10044730, 20089460, 40178920]

約数ペア:

[(1, 40178920), (2, 20089460), (4, 10044730), (5, 8035784), (8, 5022365), (10, 4017892), (19, 2114680), (20, 2008946), (29, 1385480), (38, 1057340), (40, 1004473), (58, 692740), (76, 528670), (95, 422936), (116, 346370), (145, 277096), (152, 264335), (190, 211468), (232, 173185), (290, 138548), (380, 105734), (551, 72920), (580, 69274), (760, 52867), (1102, 36460), (1160, 34637), (1823, 22040), (2204, 18230), (2755, 14584), (3646, 11020), (4408, 9115), (5510, 7292)]