2051201680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{313}}^1\times {\mathrm{677}}^1$

素因数の和:1025

約数の個数: 120

約数和(自身を含む): 5266522296

約数和(自身を除く): 3215320616

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 313, 440, 484, 605, 626, 677, 880, 968, 1210, 1252, 1354, 1565, 1936, 2420, 2504, 2708, 3130, 3385, 3443, 4840, 5008, 5416, 6260, 6770, 6886, 7447, 9680, 10832, 12520, 13540, 13772, 14894, 17215, 25040, 27080, 27544, 29788, 34430, 37235, 37873, 54160, 55088, 59576, 68860, 74470, 75746, 81917, 119152, 137720, 148940, 151492, 163834, 189365, 211901, 275440, 297880, 302984, 327668, 378730, 409585, 423802, 595760, 605968, 655336, 757460, 819170, 847604, 1059505, 1310672, 1514920, 1638340, 1695208, 2119010, 2330911, 3029840, 3276680, 3390416, 4238020, 4661822, 6553360, 8476040, 9323644, 11654555, 16952080, 18647288, 23309110, 25640021, 37294576, 46618220, 51280042, 93236440, 102560084, 128200105, 186472880, 205120168, 256400210, 410240336, 512800420, 1025600840, 2051201680]

約数ペア:

[(1, 2051201680), (2, 1025600840), (4, 512800420), (5, 410240336), (8, 256400210), (10, 205120168), (11, 186472880), (16, 128200105), (20, 102560084), (22, 93236440), (40, 51280042), (44, 46618220), (55, 37294576), (80, 25640021), (88, 23309110), (110, 18647288), (121, 16952080), (176, 11654555), (220, 9323644), (242, 8476040), (313, 6553360), (440, 4661822), (484, 4238020), (605, 3390416), (626, 3276680), (677, 3029840), (880, 2330911), (968, 2119010), (1210, 1695208), (1252, 1638340), (1354, 1514920), (1565, 1310672), (1936, 1059505), (2420, 847604), (2504, 819170), (2708, 757460), (3130, 655336), (3385, 605968), (3443, 595760), (4840, 423802), (5008, 409585), (5416, 378730), (6260, 327668), (6770, 302984), (6886, 297880), (7447, 275440), (9680, 211901), (10832, 189365), (12520, 163834), (13540, 151492), (13772, 148940), (14894, 137720), (17215, 119152), (25040, 81917), (27080, 75746), (27544, 74470), (29788, 68860), (34430, 59576), (37235, 55088), (37873, 54160)]