72179120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69403}}^1$

素因数の和:69429

約数の個数: 40

約数和(自身を含む): 180728016

約数和(自身を除く): 108548896

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 69403, 138806, 277612, 347015, 555224, 694030, 902239, 1110448, 1388060, 1804478, 2776120, 3608956, 4511195, 5552240, 7217912, 9022390, 14435824, 18044780, 36089560, 72179120]

約数ペア:

[(1, 72179120), (2, 36089560), (4, 18044780), (5, 14435824), (8, 9022390), (10, 7217912), (13, 5552240), (16, 4511195), (20, 3608956), (26, 2776120), (40, 1804478), (52, 1388060), (65, 1110448), (80, 902239), (104, 694030), (130, 555224), (208, 347015), (260, 277612), (520, 138806), (1040, 69403)]