79581440

素因数分解:

$2^8\times 5^1\times {\mathrm{79}}^1\times {\mathrm{787}}^1$

素因数の和:887

約数の個数: 72

約数和(自身を含む): 193280640

約数和(自身を除く): 113699200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 256, 316, 320, 395, 632, 640, 787, 790, 1264, 1280, 1574, 1580, 2528, 3148, 3160, 3935, 5056, 6296, 6320, 7870, 10112, 12592, 12640, 15740, 20224, 25184, 25280, 31480, 50368, 50560, 62173, 62960, 100736, 101120, 124346, 125920, 201472, 248692, 251840, 310865, 497384, 503680, 621730, 994768, 1007360, 1243460, 1989536, 2486920, 3979072, 4973840, 7958144, 9947680, 15916288, 19895360, 39790720, 79581440]

約数ペア:

[(1, 79581440), (2, 39790720), (4, 19895360), (5, 15916288), (8, 9947680), (10, 7958144), (16, 4973840), (20, 3979072), (32, 2486920), (40, 1989536), (64, 1243460), (79, 1007360), (80, 994768), (128, 621730), (158, 503680), (160, 497384), (256, 310865), (316, 251840), (320, 248692), (395, 201472), (632, 125920), (640, 124346), (787, 101120), (790, 100736), (1264, 62960), (1280, 62173), (1574, 50560), (1580, 50368), (2528, 31480), (3148, 25280), (3160, 25184), (3935, 20224), (5056, 15740), (6296, 12640), (6320, 12592), (7870, 10112)]