86800640

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3989}}^1$

素因数の和:4027

約数の個数: 72

約数和(自身を含む): 220200120

約数和(自身を除く): 133399480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 640, 680, 1088, 1280, 1360, 2176, 2720, 3989, 4352, 5440, 7978, 10880, 15956, 19945, 21760, 31912, 39890, 63824, 67813, 79780, 127648, 135626, 159560, 255296, 271252, 319120, 339065, 510592, 542504, 638240, 678130, 1021184, 1085008, 1276480, 1356260, 2170016, 2552960, 2712520, 4340032, 5105920, 5425040, 8680064, 10850080, 17360128, 21700160, 43400320, 86800640]

約数ペア:

[(1, 86800640), (2, 43400320), (4, 21700160), (5, 17360128), (8, 10850080), (10, 8680064), (16, 5425040), (17, 5105920), (20, 4340032), (32, 2712520), (34, 2552960), (40, 2170016), (64, 1356260), (68, 1276480), (80, 1085008), (85, 1021184), (128, 678130), (136, 638240), (160, 542504), (170, 510592), (256, 339065), (272, 319120), (320, 271252), (340, 255296), (544, 159560), (640, 135626), (680, 127648), (1088, 79780), (1280, 67813), (1360, 63824), (2176, 39890), (2720, 31912), (3989, 21760), (4352, 19945), (5440, 15956), (7978, 10880)]