42185720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{887}}^1$

素因数の和:968

約数の個数: 64

約数和(自身を含む): 100699200

約数和(自身を除く): 58513480

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 41, 58, 82, 116, 145, 164, 205, 232, 290, 328, 410, 580, 820, 887, 1160, 1189, 1640, 1774, 2378, 3548, 4435, 4756, 5945, 7096, 8870, 9512, 11890, 17740, 23780, 25723, 35480, 36367, 47560, 51446, 72734, 102892, 128615, 145468, 181835, 205784, 257230, 290936, 363670, 514460, 727340, 1028920, 1054643, 1454680, 2109286, 4218572, 5273215, 8437144, 10546430, 21092860, 42185720]

約数ペア:

[(1, 42185720), (2, 21092860), (4, 10546430), (5, 8437144), (8, 5273215), (10, 4218572), (20, 2109286), (29, 1454680), (40, 1054643), (41, 1028920), (58, 727340), (82, 514460), (116, 363670), (145, 290936), (164, 257230), (205, 205784), (232, 181835), (290, 145468), (328, 128615), (410, 102892), (580, 72734), (820, 51446), (887, 47560), (1160, 36367), (1189, 35480), (1640, 25723), (1774, 23780), (2378, 17740), (3548, 11890), (4435, 9512), (4756, 8870), (5945, 7096)]