28299280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11411}}^1$

素因数の和:11455

約数の個数: 40

約数和(自身を含む): 67924224

約数和(自身を除く): 39624944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 11411, 22822, 45644, 57055, 91288, 114110, 182576, 228220, 353741, 456440, 707482, 912880, 1414964, 1768705, 2829928, 3537410, 5659856, 7074820, 14149640, 28299280]

約数ペア:

[(1, 28299280), (2, 14149640), (4, 7074820), (5, 5659856), (8, 3537410), (10, 2829928), (16, 1768705), (20, 1414964), (31, 912880), (40, 707482), (62, 456440), (80, 353741), (124, 228220), (155, 182576), (248, 114110), (310, 91288), (496, 57055), (620, 45644), (1240, 22822), (2480, 11411)]