40247960

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{6173}}^1$

素因数の和:6347

約数の個数: 32

約数和(自身を含む): 91128240

約数和(自身を除く): 50880280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6173, 6520, 12346, 24692, 30865, 49384, 61730, 123460, 246920, 1006199, 2012398, 4024796, 5030995, 8049592, 10061990, 20123980, 40247960]

約数ペア:

[(1, 40247960), (2, 20123980), (4, 10061990), (5, 8049592), (8, 5030995), (10, 4024796), (20, 2012398), (40, 1006199), (163, 246920), (326, 123460), (652, 61730), (815, 49384), (1304, 30865), (1630, 24692), (3260, 12346), (6173, 6520)]