31256720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3229}}^1$

素因数の和:3264

約数の個数: 60

約数和(自身を含む): 79903740

約数和(自身を除く): 48647020

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2420, 3229, 4840, 6458, 9680, 12916, 16145, 25832, 32290, 35519, 51664, 64580, 71038, 129160, 142076, 177595, 258320, 284152, 355190, 390709, 568304, 710380, 781418, 1420760, 1562836, 1953545, 2841520, 3125672, 3907090, 6251344, 7814180, 15628360, 31256720]

約数ペア:

[(1, 31256720), (2, 15628360), (4, 7814180), (5, 6251344), (8, 3907090), (10, 3125672), (11, 2841520), (16, 1953545), (20, 1562836), (22, 1420760), (40, 781418), (44, 710380), (55, 568304), (80, 390709), (88, 355190), (110, 284152), (121, 258320), (176, 177595), (220, 142076), (242, 129160), (440, 71038), (484, 64580), (605, 51664), (880, 35519), (968, 32290), (1210, 25832), (1936, 16145), (2420, 12916), (3229, 9680), (4840, 6458)]