1245892880

素因数分解:

$2^4\times 5^1\times {\mathrm{241}}^1\times {\mathrm{64621}}^1$

素因数の和:64875

約数の個数: 40

約数和(自身を含む): 2908765464

約数和(自身を除く): 1662872584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241, 482, 964, 1205, 1928, 2410, 3856, 4820, 9640, 19280, 64621, 129242, 258484, 323105, 516968, 646210, 1033936, 1292420, 2584840, 5169680, 15573661, 31147322, 62294644, 77868305, 124589288, 155736610, 249178576, 311473220, 622946440, 1245892880]

約数ペア:

[(1, 1245892880), (2, 622946440), (4, 311473220), (5, 249178576), (8, 155736610), (10, 124589288), (16, 77868305), (20, 62294644), (40, 31147322), (80, 15573661), (241, 5169680), (482, 2584840), (964, 1292420), (1205, 1033936), (1928, 646210), (2410, 516968), (3856, 323105), (4820, 258484), (9640, 129242), (19280, 64621)]