1400857040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1591883}}^1$

素因数の和:1591907

約数の個数: 40

約数和(自身を含む): 3553085088

約数和(自身を除く): 2152228048

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 1591883, 3183766, 6367532, 7959415, 12735064, 15918830, 17510713, 25470128, 31837660, 35021426, 63675320, 70042852, 87553565, 127350640, 140085704, 175107130, 280171408, 350214260, 700428520, 1400857040]

約数ペア:

[(1, 1400857040), (2, 700428520), (4, 350214260), (5, 280171408), (8, 175107130), (10, 140085704), (11, 127350640), (16, 87553565), (20, 70042852), (22, 63675320), (40, 35021426), (44, 31837660), (55, 25470128), (80, 17510713), (88, 15918830), (110, 12735064), (176, 7959415), (220, 6367532), (440, 3183766), (880, 1591883)]