18589060240

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{62581}}^1$

素因数の和:62720

約数の個数: 80

約数和(自身を含む): 44698567680

約数和(自身を除く): 26109507440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 79, 80, 94, 158, 188, 235, 316, 376, 395, 470, 632, 752, 790, 940, 1264, 1580, 1880, 3160, 3713, 3760, 6320, 7426, 14852, 18565, 29704, 37130, 59408, 62581, 74260, 125162, 148520, 250324, 297040, 312905, 500648, 625810, 1001296, 1251620, 2503240, 2941307, 4943899, 5006480, 5882614, 9887798, 11765228, 14706535, 19775596, 23530456, 24719495, 29413070, 39551192, 47060912, 49438990, 58826140, 79102384, 98877980, 117652280, 197755960, 232363253, 235304560, 395511920, 464726506, 929453012, 1161816265, 1858906024, 2323632530, 3717812048, 4647265060, 9294530120, 18589060240]

約数ペア:

[(1, 18589060240), (2, 9294530120), (4, 4647265060), (5, 3717812048), (8, 2323632530), (10, 1858906024), (16, 1161816265), (20, 929453012), (40, 464726506), (47, 395511920), (79, 235304560), (80, 232363253), (94, 197755960), (158, 117652280), (188, 98877980), (235, 79102384), (316, 58826140), (376, 49438990), (395, 47060912), (470, 39551192), (632, 29413070), (752, 24719495), (790, 23530456), (940, 19775596), (1264, 14706535), (1580, 11765228), (1880, 9887798), (3160, 5882614), (3713, 5006480), (3760, 4943899), (6320, 2941307), (7426, 2503240), (14852, 1251620), (18565, 1001296), (29704, 625810), (37130, 500648), (59408, 312905), (62581, 297040), (74260, 250324), (125162, 148520)]