260640560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{105097}}^1$

素因数の和:105141

約数の個数: 40

約数和(自身を含む): 625543296

約数和(自身を除く): 364902736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 105097, 210194, 420388, 525485, 840776, 1050970, 1681552, 2101940, 3258007, 4203880, 6516014, 8407760, 13032028, 16290035, 26064056, 32580070, 52128112, 65160140, 130320280, 260640560]

約数ペア:

[(1, 260640560), (2, 130320280), (4, 65160140), (5, 52128112), (8, 32580070), (10, 26064056), (16, 16290035), (20, 13032028), (31, 8407760), (40, 6516014), (62, 4203880), (80, 3258007), (124, 2101940), (155, 1681552), (248, 1050970), (310, 840776), (496, 525485), (620, 420388), (1240, 210194), (2480, 105097)]