51313240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{839}}^1$

素因数の和:1000

約数の個数: 64

約数和(自身を含む): 127008000

約数和(自身を除く): 75694760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 139, 220, 278, 440, 556, 695, 839, 1112, 1390, 1529, 1678, 2780, 3058, 3356, 4195, 5560, 6116, 6712, 7645, 8390, 9229, 12232, 15290, 16780, 18458, 30580, 33560, 36916, 46145, 61160, 73832, 92290, 116621, 184580, 233242, 369160, 466484, 583105, 932968, 1166210, 1282831, 2332420, 2565662, 4664840, 5131324, 6414155, 10262648, 12828310, 25656620, 51313240]

約数ペア:

[(1, 51313240), (2, 25656620), (4, 12828310), (5, 10262648), (8, 6414155), (10, 5131324), (11, 4664840), (20, 2565662), (22, 2332420), (40, 1282831), (44, 1166210), (55, 932968), (88, 583105), (110, 466484), (139, 369160), (220, 233242), (278, 184580), (440, 116621), (556, 92290), (695, 73832), (839, 61160), (1112, 46145), (1390, 36916), (1529, 33560), (1678, 30580), (2780, 18458), (3058, 16780), (3356, 15290), (4195, 12232), (5560, 9229), (6116, 8390), (6712, 7645)]