131829760

素因数分解:

$2^{12}\times 5^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:227

約数の個数: 104

約数和(自身を含む): 326132856

約数和(自身を除く): 194303096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 157, 160, 164, 205, 256, 314, 320, 328, 410, 512, 628, 640, 656, 785, 820, 1024, 1256, 1280, 1312, 1570, 1640, 2048, 2512, 2560, 2624, 3140, 3280, 4096, 5024, 5120, 5248, 6280, 6437, 6560, 10048, 10240, 10496, 12560, 12874, 13120, 20096, 20480, 20992, 25120, 25748, 26240, 32185, 40192, 41984, 50240, 51496, 52480, 64370, 80384, 83968, 100480, 102992, 104960, 128740, 160768, 167936, 200960, 205984, 209920, 257480, 321536, 401920, 411968, 419840, 514960, 643072, 803840, 823936, 839680, 1029920, 1607680, 1647872, 2059840, 3215360, 3295744, 4119680, 6591488, 8239360, 13182976, 16478720, 26365952, 32957440, 65914880, 131829760]

約数ペア:

[(1, 131829760), (2, 65914880), (4, 32957440), (5, 26365952), (8, 16478720), (10, 13182976), (16, 8239360), (20, 6591488), (32, 4119680), (40, 3295744), (41, 3215360), (64, 2059840), (80, 1647872), (82, 1607680), (128, 1029920), (157, 839680), (160, 823936), (164, 803840), (205, 643072), (256, 514960), (314, 419840), (320, 411968), (328, 401920), (410, 321536), (512, 257480), (628, 209920), (640, 205984), (656, 200960), (785, 167936), (820, 160768), (1024, 128740), (1256, 104960), (1280, 102992), (1312, 100480), (1570, 83968), (1640, 80384), (2048, 64370), (2512, 52480), (2560, 51496), (2624, 50240), (3140, 41984), (3280, 40192), (4096, 32185), (5024, 26240), (5120, 25748), (5248, 25120), (6280, 20992), (6437, 20480), (6560, 20096), (10048, 13120), (10240, 12874), (10496, 12560)]