25417480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{947}}^1$

素因数の和:1030

約数の個数: 64

約数和(自身を含む): 63478080

約数和(自身を除く): 38060600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 488, 610, 671, 947, 1220, 1342, 1894, 2440, 2684, 3355, 3788, 4735, 5368, 6710, 7576, 9470, 10417, 13420, 18940, 20834, 26840, 37880, 41668, 52085, 57767, 83336, 104170, 115534, 208340, 231068, 288835, 416680, 462136, 577670, 635437, 1155340, 1270874, 2310680, 2541748, 3177185, 5083496, 6354370, 12708740, 25417480]

約数ペア:

[(1, 25417480), (2, 12708740), (4, 6354370), (5, 5083496), (8, 3177185), (10, 2541748), (11, 2310680), (20, 1270874), (22, 1155340), (40, 635437), (44, 577670), (55, 462136), (61, 416680), (88, 288835), (110, 231068), (122, 208340), (220, 115534), (244, 104170), (305, 83336), (440, 57767), (488, 52085), (610, 41668), (671, 37880), (947, 26840), (1220, 20834), (1342, 18940), (1894, 13420), (2440, 10417), (2684, 9470), (3355, 7576), (3788, 6710), (4735, 5368)]