28275920

素因数分解:

$2^4\times 5^1\times {\mathrm{571}}^1\times {\mathrm{619}}^1$

素因数の和:1203

約数の個数: 40

約数和(自身を含む): 65963040

約数和(自身を除く): 37687120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 571, 619, 1142, 1238, 2284, 2476, 2855, 3095, 4568, 4952, 5710, 6190, 9136, 9904, 11420, 12380, 22840, 24760, 45680, 49520, 353449, 706898, 1413796, 1767245, 2827592, 3534490, 5655184, 7068980, 14137960, 28275920]

約数ペア:

[(1, 28275920), (2, 14137960), (4, 7068980), (5, 5655184), (8, 3534490), (10, 2827592), (16, 1767245), (20, 1413796), (40, 706898), (80, 353449), (571, 49520), (619, 45680), (1142, 24760), (1238, 22840), (2284, 12380), (2476, 11420), (2855, 9904), (3095, 9136), (4568, 6190), (4952, 5710)]