40448320

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11491}}^1$

素因数の和:11519

約数の個数: 56

約数和(自身を含む): 105082848

約数和(自身を除く): 64634528

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 11491, 22982, 45964, 57455, 91928, 114910, 126401, 183856, 229820, 252802, 367712, 459640, 505604, 632005, 735424, 919280, 1011208, 1264010, 1838560, 2022416, 2528020, 3677120, 4044832, 5056040, 8089664, 10112080, 20224160, 40448320]

約数ペア:

[(1, 40448320), (2, 20224160), (4, 10112080), (5, 8089664), (8, 5056040), (10, 4044832), (11, 3677120), (16, 2528020), (20, 2022416), (22, 1838560), (32, 1264010), (40, 1011208), (44, 919280), (55, 735424), (64, 632005), (80, 505604), (88, 459640), (110, 367712), (160, 252802), (176, 229820), (220, 183856), (320, 126401), (352, 114910), (440, 91928), (704, 57455), (880, 45964), (1760, 22982), (3520, 11491)]