39445040

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:270

約数の個数: 80

約数和(自身を含む): 95484960

約数和(自身を除く): 56039920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 61, 80, 118, 122, 137, 236, 244, 274, 295, 305, 472, 488, 548, 590, 610, 685, 944, 976, 1096, 1180, 1220, 1370, 2192, 2360, 2440, 2740, 3599, 4720, 4880, 5480, 7198, 8083, 8357, 10960, 14396, 16166, 16714, 17995, 28792, 32332, 33428, 35990, 40415, 41785, 57584, 64664, 66856, 71980, 80830, 83570, 129328, 133712, 143960, 161660, 167140, 287920, 323320, 334280, 493063, 646640, 668560, 986126, 1972252, 2465315, 3944504, 4930630, 7889008, 9861260, 19722520, 39445040]

約数ペア:

[(1, 39445040), (2, 19722520), (4, 9861260), (5, 7889008), (8, 4930630), (10, 3944504), (16, 2465315), (20, 1972252), (40, 986126), (59, 668560), (61, 646640), (80, 493063), (118, 334280), (122, 323320), (137, 287920), (236, 167140), (244, 161660), (274, 143960), (295, 133712), (305, 129328), (472, 83570), (488, 80830), (548, 71980), (590, 66856), (610, 64664), (685, 57584), (944, 41785), (976, 40415), (1096, 35990), (1180, 33428), (1220, 32332), (1370, 28792), (2192, 17995), (2360, 16714), (2440, 16166), (2740, 14396), (3599, 10960), (4720, 8357), (4880, 8083), (5480, 7198)]