87416660

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{907}}^1$

素因数の和:1056

約数の個数: 48

約数和(自身を含む): 189154560

約数和(自身を除く): 101737900

約数列:

[1, 2, 4, 5, 10, 20, 61, 79, 122, 158, 244, 305, 316, 395, 610, 790, 907, 1220, 1580, 1814, 3628, 4535, 4819, 9070, 9638, 18140, 19276, 24095, 48190, 55327, 71653, 96380, 110654, 143306, 221308, 276635, 286612, 358265, 553270, 716530, 1106540, 1433060, 4370833, 8741666, 17483332, 21854165, 43708330, 87416660]

約数ペア:

[(1, 87416660), (2, 43708330), (4, 21854165), (5, 17483332), (10, 8741666), (20, 4370833), (61, 1433060), (79, 1106540), (122, 716530), (158, 553270), (244, 358265), (305, 286612), (316, 276635), (395, 221308), (610, 143306), (790, 110654), (907, 96380), (1220, 71653), (1580, 55327), (1814, 48190), (3628, 24095), (4535, 19276), (4819, 18140), (9070, 9638)]