1644880

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{709}}^1$

素因数の和:751

約数の個数: 40

約数和(自身を含む): 3961800

約数和(自身を除く): 2316920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 709, 1160, 1418, 2320, 2836, 3545, 5672, 7090, 11344, 14180, 20561, 28360, 41122, 56720, 82244, 102805, 164488, 205610, 328976, 411220, 822440, 1644880]

約数ペア:

[(1, 1644880), (2, 822440), (4, 411220), (5, 328976), (8, 205610), (10, 164488), (16, 102805), (20, 82244), (29, 56720), (40, 41122), (58, 28360), (80, 20561), (116, 14180), (145, 11344), (232, 7090), (290, 5672), (464, 3545), (580, 2836), (709, 2320), (1160, 1418)]