196465040

素因数分解:

$2^4\times 5^1\times {\mathrm{557}}^1\times {\mathrm{4409}}^1$

素因数の和:4979

約数の個数: 40

約数和(自身を含む): 457705080

約数和(自身を除く): 261240040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 557, 1114, 2228, 2785, 4409, 4456, 5570, 8818, 8912, 11140, 17636, 22045, 22280, 35272, 44090, 44560, 70544, 88180, 176360, 352720, 2455813, 4911626, 9823252, 12279065, 19646504, 24558130, 39293008, 49116260, 98232520, 196465040]

約数ペア:

[(1, 196465040), (2, 98232520), (4, 49116260), (5, 39293008), (8, 24558130), (10, 19646504), (16, 12279065), (20, 9823252), (40, 4911626), (80, 2455813), (557, 352720), (1114, 176360), (2228, 88180), (2785, 70544), (4409, 44560), (4456, 44090), (5570, 35272), (8818, 22280), (8912, 22045), (11140, 17636)]