204590080

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1289}}^1$

素因数の和:1345

約数の個数: 88

約数和(自身を含む): 507000960

約数和(自身を除く): 302410880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1024, 1240, 1280, 1289, 1984, 2480, 2560, 2578, 3968, 4960, 5120, 5156, 6445, 7936, 9920, 10312, 12890, 15872, 19840, 20624, 25780, 31744, 39680, 39959, 41248, 51560, 79360, 79918, 82496, 103120, 158720, 159836, 164992, 199795, 206240, 319672, 329984, 399590, 412480, 639344, 659968, 799180, 824960, 1278688, 1319936, 1598360, 1649920, 2557376, 3196720, 3299840, 5114752, 6393440, 6599680, 10229504, 12786880, 20459008, 25573760, 40918016, 51147520, 102295040, 204590080]

約数ペア:

[(1, 204590080), (2, 102295040), (4, 51147520), (5, 40918016), (8, 25573760), (10, 20459008), (16, 12786880), (20, 10229504), (31, 6599680), (32, 6393440), (40, 5114752), (62, 3299840), (64, 3196720), (80, 2557376), (124, 1649920), (128, 1598360), (155, 1319936), (160, 1278688), (248, 824960), (256, 799180), (310, 659968), (320, 639344), (496, 412480), (512, 399590), (620, 329984), (640, 319672), (992, 206240), (1024, 199795), (1240, 164992), (1280, 159836), (1289, 158720), (1984, 103120), (2480, 82496), (2560, 79918), (2578, 79360), (3968, 51560), (4960, 41248), (5120, 39959), (5156, 39680), (6445, 31744), (7936, 25780), (9920, 20624), (10312, 19840), (12890, 15872)]