84331120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{509}}^1$

素因数の和:650

約数の個数: 80

約数和(自身を含む): 208692000

約数和(自身を除く): 124360880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 109, 152, 190, 218, 304, 380, 436, 509, 545, 760, 872, 1018, 1090, 1520, 1744, 2036, 2071, 2180, 2545, 4072, 4142, 4360, 5090, 8144, 8284, 8720, 9671, 10180, 10355, 16568, 19342, 20360, 20710, 33136, 38684, 40720, 41420, 48355, 55481, 77368, 82840, 96710, 110962, 154736, 165680, 193420, 221924, 277405, 386840, 443848, 554810, 773680, 887696, 1054139, 1109620, 2108278, 2219240, 4216556, 4438480, 5270695, 8433112, 10541390, 16866224, 21082780, 42165560, 84331120]

約数ペア:

[(1, 84331120), (2, 42165560), (4, 21082780), (5, 16866224), (8, 10541390), (10, 8433112), (16, 5270695), (19, 4438480), (20, 4216556), (38, 2219240), (40, 2108278), (76, 1109620), (80, 1054139), (95, 887696), (109, 773680), (152, 554810), (190, 443848), (218, 386840), (304, 277405), (380, 221924), (436, 193420), (509, 165680), (545, 154736), (760, 110962), (872, 96710), (1018, 82840), (1090, 77368), (1520, 55481), (1744, 48355), (2036, 41420), (2071, 40720), (2180, 38684), (2545, 33136), (4072, 20710), (4142, 20360), (4360, 19342), (5090, 16568), (8144, 10355), (8284, 10180), (8720, 9671)]