78467120

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{5419}}^1$

素因数の和:5613

約数の個数: 40

約数和(自身を含む): 183477840

約数和(自身を除く): 105010720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 724, 905, 1448, 1810, 2896, 3620, 5419, 7240, 10838, 14480, 21676, 27095, 43352, 54190, 86704, 108380, 216760, 433520, 980839, 1961678, 3923356, 4904195, 7846712, 9808390, 15693424, 19616780, 39233560, 78467120]

約数ペア:

[(1, 78467120), (2, 39233560), (4, 19616780), (5, 15693424), (8, 9808390), (10, 7846712), (16, 4904195), (20, 3923356), (40, 1961678), (80, 980839), (181, 433520), (362, 216760), (724, 108380), (905, 86704), (1448, 54190), (1810, 43352), (2896, 27095), (3620, 21676), (5419, 14480), (7240, 10838)]