996960520

素因数分解:

$2^3\times 5^1\times {\mathrm{1627}}^1\times {\mathrm{15319}}^1$

素因数の和:16957

約数の個数: 32

約数和(自身を含む): 2244686400

約数和(自身を除く): 1247725880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1627, 3254, 6508, 8135, 13016, 15319, 16270, 30638, 32540, 61276, 65080, 76595, 122552, 153190, 306380, 612760, 24924013, 49848026, 99696052, 124620065, 199392104, 249240130, 498480260, 996960520]

約数ペア:

[(1, 996960520), (2, 498480260), (4, 249240130), (5, 199392104), (8, 124620065), (10, 99696052), (20, 49848026), (40, 24924013), (1627, 612760), (3254, 306380), (6508, 153190), (8135, 122552), (13016, 76595), (15319, 65080), (16270, 61276), (30638, 32540)]