26420680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:215

約数の個数: 128

約数和(自身を含む): 72576000

約数和(自身を除く): 46155320

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 31, 40, 44, 52, 55, 62, 65, 88, 104, 110, 124, 130, 143, 149, 155, 220, 248, 260, 286, 298, 310, 341, 403, 440, 520, 572, 596, 620, 682, 715, 745, 806, 1144, 1192, 1240, 1364, 1430, 1490, 1612, 1639, 1705, 1937, 2015, 2728, 2860, 2980, 3224, 3278, 3410, 3874, 4030, 4433, 4619, 5720, 5960, 6556, 6820, 7748, 8060, 8195, 8866, 9238, 9685, 13112, 13640, 15496, 16120, 16390, 17732, 18476, 19370, 21307, 22165, 23095, 32780, 35464, 36952, 38740, 42614, 44330, 46190, 50809, 60047, 65560, 77480, 85228, 88660, 92380, 101618, 106535, 120094, 170456, 177320, 184760, 203236, 213070, 240188, 254045, 300235, 406472, 426140, 480376, 508090, 600470, 660517, 852280, 1016180, 1200940, 1321034, 2032360, 2401880, 2642068, 3302585, 5284136, 6605170, 13210340, 26420680]

約数ペア:

[(1, 26420680), (2, 13210340), (4, 6605170), (5, 5284136), (8, 3302585), (10, 2642068), (11, 2401880), (13, 2032360), (20, 1321034), (22, 1200940), (26, 1016180), (31, 852280), (40, 660517), (44, 600470), (52, 508090), (55, 480376), (62, 426140), (65, 406472), (88, 300235), (104, 254045), (110, 240188), (124, 213070), (130, 203236), (143, 184760), (149, 177320), (155, 170456), (220, 120094), (248, 106535), (260, 101618), (286, 92380), (298, 88660), (310, 85228), (341, 77480), (403, 65560), (440, 60047), (520, 50809), (572, 46190), (596, 44330), (620, 42614), (682, 38740), (715, 36952), (745, 35464), (806, 32780), (1144, 23095), (1192, 22165), (1240, 21307), (1364, 19370), (1430, 18476), (1490, 17732), (1612, 16390), (1639, 16120), (1705, 15496), (1937, 13640), (2015, 13112), (2728, 9685), (2860, 9238), (2980, 8866), (3224, 8195), (3278, 8060), (3410, 7748), (3874, 6820), (4030, 6556), (4433, 5960), (4619, 5720)]