19895360

素因数分解:

$2^6\times 5^1\times {\mathrm{79}}^1\times {\mathrm{787}}^1$

素因数の和:883

約数の個数: 56

約数和(自身を含む): 48036480

約数和(自身を除く): 28141120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 158, 160, 316, 320, 395, 632, 787, 790, 1264, 1574, 1580, 2528, 3148, 3160, 3935, 5056, 6296, 6320, 7870, 12592, 12640, 15740, 25184, 25280, 31480, 50368, 62173, 62960, 124346, 125920, 248692, 251840, 310865, 497384, 621730, 994768, 1243460, 1989536, 2486920, 3979072, 4973840, 9947680, 19895360]

約数ペア:

[(1, 19895360), (2, 9947680), (4, 4973840), (5, 3979072), (8, 2486920), (10, 1989536), (16, 1243460), (20, 994768), (32, 621730), (40, 497384), (64, 310865), (79, 251840), (80, 248692), (158, 125920), (160, 124346), (316, 62960), (320, 62173), (395, 50368), (632, 31480), (787, 25280), (790, 25184), (1264, 15740), (1574, 12640), (1580, 12592), (2528, 7870), (3148, 6320), (3160, 6296), (3935, 5056)]