25197920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:268

約数の個数: 96

約数和(自身を含む): 66044160

約数和(自身を除く): 40846240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 103, 110, 139, 160, 176, 206, 220, 278, 352, 412, 440, 515, 556, 695, 824, 880, 1030, 1112, 1133, 1390, 1529, 1648, 1760, 2060, 2224, 2266, 2780, 3058, 3296, 4120, 4448, 4532, 5560, 5665, 6116, 7645, 8240, 9064, 11120, 11330, 12232, 14317, 15290, 16480, 18128, 22240, 22660, 24464, 28634, 30580, 36256, 45320, 48928, 57268, 61160, 71585, 90640, 114536, 122320, 143170, 157487, 181280, 229072, 244640, 286340, 314974, 458144, 572680, 629948, 787435, 1145360, 1259896, 1574870, 2290720, 2519792, 3149740, 5039584, 6299480, 12598960, 25197920]

約数ペア:

[(1, 25197920), (2, 12598960), (4, 6299480), (5, 5039584), (8, 3149740), (10, 2519792), (11, 2290720), (16, 1574870), (20, 1259896), (22, 1145360), (32, 787435), (40, 629948), (44, 572680), (55, 458144), (80, 314974), (88, 286340), (103, 244640), (110, 229072), (139, 181280), (160, 157487), (176, 143170), (206, 122320), (220, 114536), (278, 90640), (352, 71585), (412, 61160), (440, 57268), (515, 48928), (556, 45320), (695, 36256), (824, 30580), (880, 28634), (1030, 24464), (1112, 22660), (1133, 22240), (1390, 18128), (1529, 16480), (1648, 15290), (1760, 14317), (2060, 12232), (2224, 11330), (2266, 11120), (2780, 9064), (3058, 8240), (3296, 7645), (4120, 6116), (4448, 5665), (4532, 5560)]