49278680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{111997}}^1$

素因数の和:112019

約数の個数: 32

約数和(自身を含む): 120957840

約数和(自身を除く): 71679160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 111997, 223994, 447988, 559985, 895976, 1119970, 1231967, 2239940, 2463934, 4479880, 4927868, 6159835, 9855736, 12319670, 24639340, 49278680]

約数ペア:

[(1, 49278680), (2, 24639340), (4, 12319670), (5, 9855736), (8, 6159835), (10, 4927868), (11, 4479880), (20, 2463934), (22, 2239940), (40, 1231967), (44, 1119970), (55, 895976), (88, 559985), (110, 447988), (220, 223994), (440, 111997)]