28278200

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{4561}}^1$

素因数の和:4608

約数の個数: 48

約数和(自身を含む): 67882560

約数和(自身を除く): 39604360

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 775, 1240, 1550, 3100, 4561, 6200, 9122, 18244, 22805, 36488, 45610, 91220, 114025, 141391, 182440, 228050, 282782, 456100, 565564, 706955, 912200, 1131128, 1413910, 2827820, 3534775, 5655640, 7069550, 14139100, 28278200]

約数ペア:

[(1, 28278200), (2, 14139100), (4, 7069550), (5, 5655640), (8, 3534775), (10, 2827820), (20, 1413910), (25, 1131128), (31, 912200), (40, 706955), (50, 565564), (62, 456100), (100, 282782), (124, 228050), (155, 182440), (200, 141391), (248, 114025), (310, 91220), (620, 45610), (775, 36488), (1240, 22805), (1550, 18244), (3100, 9122), (4561, 6200)]