55312640

素因数分解:

$2^8\times 5^1\times {\mathrm{79}}^1\times {\mathrm{547}}^1$

素因数の和:647

約数の個数: 72

約数和(自身を含む): 134413440

約数和(自身を除く): 79100800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 256, 316, 320, 395, 547, 632, 640, 790, 1094, 1264, 1280, 1580, 2188, 2528, 2735, 3160, 4376, 5056, 5470, 6320, 8752, 10112, 10940, 12640, 17504, 20224, 21880, 25280, 35008, 43213, 43760, 50560, 70016, 86426, 87520, 101120, 140032, 172852, 175040, 216065, 345704, 350080, 432130, 691408, 700160, 864260, 1382816, 1728520, 2765632, 3457040, 5531264, 6914080, 11062528, 13828160, 27656320, 55312640]

約数ペア:

[(1, 55312640), (2, 27656320), (4, 13828160), (5, 11062528), (8, 6914080), (10, 5531264), (16, 3457040), (20, 2765632), (32, 1728520), (40, 1382816), (64, 864260), (79, 700160), (80, 691408), (128, 432130), (158, 350080), (160, 345704), (256, 216065), (316, 175040), (320, 172852), (395, 140032), (547, 101120), (632, 87520), (640, 86426), (790, 70016), (1094, 50560), (1264, 43760), (1280, 43213), (1580, 35008), (2188, 25280), (2528, 21880), (2735, 20224), (3160, 17504), (4376, 12640), (5056, 10940), (5470, 10112), (6320, 8752)]