78147280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{31511}}^1$

素因数の和:31555

約数の個数: 40

約数和(自身を含む): 187559424

約数和(自身を除く): 109412144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 31511, 63022, 126044, 157555, 252088, 315110, 504176, 630220, 976841, 1260440, 1953682, 2520880, 3907364, 4884205, 7814728, 9768410, 15629456, 19536820, 39073640, 78147280]

約数ペア:

[(1, 78147280), (2, 39073640), (4, 19536820), (5, 15629456), (8, 9768410), (10, 7814728), (16, 4884205), (20, 3907364), (31, 2520880), (40, 1953682), (62, 1260440), (80, 976841), (124, 630220), (155, 504176), (248, 315110), (310, 252088), (496, 157555), (620, 126044), (1240, 63022), (2480, 31511)]