1098981040

素因数分解:

$2^4\times 5^1\times {\mathrm{431}}^1\times {\mathrm{31873}}^1$

素因数の和:32317

約数の個数: 40

約数和(自身を含む): 2561139648

約数和(自身を除く): 1462158608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 431, 862, 1724, 2155, 3448, 4310, 6896, 8620, 17240, 31873, 34480, 63746, 127492, 159365, 254984, 318730, 509968, 637460, 1274920, 2549840, 13737263, 27474526, 54949052, 68686315, 109898104, 137372630, 219796208, 274745260, 549490520, 1098981040]

約数ペア:

[(1, 1098981040), (2, 549490520), (4, 274745260), (5, 219796208), (8, 137372630), (10, 109898104), (16, 68686315), (20, 54949052), (40, 27474526), (80, 13737263), (431, 2549840), (862, 1274920), (1724, 637460), (2155, 509968), (3448, 318730), (4310, 254984), (6896, 159365), (8620, 127492), (17240, 63746), (31873, 34480)]