31840048

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:206

約数の個数: 80

約数和(自身を含む): 70575840

約数和(自身を除く): 38735792

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 61, 68, 76, 101, 122, 136, 152, 202, 244, 272, 304, 323, 404, 488, 646, 808, 976, 1037, 1159, 1292, 1616, 1717, 1919, 2074, 2318, 2584, 3434, 3838, 4148, 4636, 5168, 6161, 6868, 7676, 8296, 9272, 12322, 13736, 15352, 16592, 18544, 19703, 24644, 27472, 30704, 32623, 39406, 49288, 65246, 78812, 98576, 104737, 117059, 130492, 157624, 209474, 234118, 260984, 315248, 418948, 468236, 521968, 837896, 936472, 1675792, 1872944, 1990003, 3980006, 7960012, 15920024, 31840048]

約数ペア:

[(1, 31840048), (2, 15920024), (4, 7960012), (8, 3980006), (16, 1990003), (17, 1872944), (19, 1675792), (34, 936472), (38, 837896), (61, 521968), (68, 468236), (76, 418948), (101, 315248), (122, 260984), (136, 234118), (152, 209474), (202, 157624), (244, 130492), (272, 117059), (304, 104737), (323, 98576), (404, 78812), (488, 65246), (646, 49288), (808, 39406), (976, 32623), (1037, 30704), (1159, 27472), (1292, 24644), (1616, 19703), (1717, 18544), (1919, 16592), (2074, 15352), (2318, 13736), (2584, 12322), (3434, 9272), (3838, 8296), (4148, 7676), (4636, 6868), (5168, 6161)]