25022810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:231

約数の個数: 64

約数和(自身を含む): 51425280

約数和(自身を除く): 26402470

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 61, 85, 95, 122, 127, 170, 190, 254, 305, 323, 610, 635, 646, 1037, 1159, 1270, 1615, 2074, 2159, 2318, 2413, 3230, 4318, 4826, 5185, 5795, 7747, 10370, 10795, 11590, 12065, 15494, 19703, 21590, 24130, 38735, 39406, 41021, 77470, 82042, 98515, 131699, 147193, 197030, 205105, 263398, 294386, 410210, 658495, 735965, 1316990, 1471930, 2502281, 5004562, 12511405, 25022810]

約数ペア:

[(1, 25022810), (2, 12511405), (5, 5004562), (10, 2502281), (17, 1471930), (19, 1316990), (34, 735965), (38, 658495), (61, 410210), (85, 294386), (95, 263398), (122, 205105), (127, 197030), (170, 147193), (190, 131699), (254, 98515), (305, 82042), (323, 77470), (610, 41021), (635, 39406), (646, 38735), (1037, 24130), (1159, 21590), (1270, 19703), (1615, 15494), (2074, 12065), (2159, 11590), (2318, 10795), (2413, 10370), (3230, 7747), (4318, 5795), (4826, 5185)]