320412440

素因数分解:

$2^3\times 5^1\times {\mathrm{2347}}^1\times {\mathrm{3413}}^1$

素因数の和:5771

約数の個数: 32

約数和(自身を含む): 721446480

約数和(自身を除く): 401034040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2347, 3413, 4694, 6826, 9388, 11735, 13652, 17065, 18776, 23470, 27304, 34130, 46940, 68260, 93880, 136520, 8010311, 16020622, 32041244, 40051555, 64082488, 80103110, 160206220, 320412440]

約数ペア:

[(1, 320412440), (2, 160206220), (4, 80103110), (5, 64082488), (8, 40051555), (10, 32041244), (20, 16020622), (40, 8010311), (2347, 136520), (3413, 93880), (4694, 68260), (6826, 46940), (9388, 34130), (11735, 27304), (13652, 23470), (17065, 18776)]