31020880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{35251}}^1$

素因数の和:35275

約数の個数: 40

約数和(自身を含む): 78682464

約数和(自身を除く): 47661584

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 35251, 70502, 141004, 176255, 282008, 352510, 387761, 564016, 705020, 775522, 1410040, 1551044, 1938805, 2820080, 3102088, 3877610, 6204176, 7755220, 15510440, 31020880]

約数ペア:

[(1, 31020880), (2, 15510440), (4, 7755220), (5, 6204176), (8, 3877610), (10, 3102088), (11, 2820080), (16, 1938805), (20, 1551044), (22, 1410040), (40, 775522), (44, 705020), (55, 564016), (80, 387761), (88, 352510), (110, 282008), (176, 176255), (220, 141004), (440, 70502), (880, 35251)]