25320856

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 54237600

約数和(自身を除く): 28916744

約数列:

[1, 2, 4, 8, 11, 22, 44, 53, 61, 88, 89, 106, 122, 178, 212, 244, 356, 424, 488, 583, 671, 712, 979, 1166, 1342, 1958, 2332, 2684, 3233, 3916, 4664, 4717, 5368, 5429, 6466, 7832, 9434, 10858, 12932, 18868, 21716, 25864, 35563, 37736, 43432, 51887, 59719, 71126, 103774, 119438, 142252, 207548, 238876, 284504, 287737, 415096, 477752, 575474, 1150948, 2301896, 3165107, 6330214, 12660428, 25320856]

約数ペア:

[(1, 25320856), (2, 12660428), (4, 6330214), (8, 3165107), (11, 2301896), (22, 1150948), (44, 575474), (53, 477752), (61, 415096), (88, 287737), (89, 284504), (106, 238876), (122, 207548), (178, 142252), (212, 119438), (244, 103774), (356, 71126), (424, 59719), (488, 51887), (583, 43432), (671, 37736), (712, 35563), (979, 25864), (1166, 21716), (1342, 18868), (1958, 12932), (2332, 10858), (2684, 9434), (3233, 7832), (3916, 6466), (4664, 5429), (4717, 5368)]