49247840

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{9929}}^1$

素因数の和:9975

約数の個数: 48

約数和(自身を含む): 120113280

約数和(自身を除く): 70865440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 9929, 19858, 39716, 49645, 79432, 99290, 158864, 198580, 307799, 317728, 397160, 615598, 794320, 1231196, 1538995, 1588640, 2462392, 3077990, 4924784, 6155980, 9849568, 12311960, 24623920, 49247840]

約数ペア:

[(1, 49247840), (2, 24623920), (4, 12311960), (5, 9849568), (8, 6155980), (10, 4924784), (16, 3077990), (20, 2462392), (31, 1588640), (32, 1538995), (40, 1231196), (62, 794320), (80, 615598), (124, 397160), (155, 317728), (160, 307799), (248, 198580), (310, 158864), (496, 99290), (620, 79432), (992, 49645), (1240, 39716), (2480, 19858), (4960, 9929)]