31619120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30403}}^1$

素因数の和:30429

約数の個数: 40

約数和(自身を含む): 79172016

約数和(自身を除く): 47552896

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 30403, 60806, 121612, 152015, 243224, 304030, 395239, 486448, 608060, 790478, 1216120, 1580956, 1976195, 2432240, 3161912, 3952390, 6323824, 7904780, 15809560, 31619120]

約数ペア:

[(1, 31619120), (2, 15809560), (4, 7904780), (5, 6323824), (8, 3952390), (10, 3161912), (13, 2432240), (16, 1976195), (20, 1580956), (26, 1216120), (40, 790478), (52, 608060), (65, 486448), (80, 395239), (104, 304030), (130, 243224), (208, 152015), (260, 121612), (520, 60806), (1040, 30403)]