39829580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4007}}^1$

素因数の和:4094

約数の個数: 48

約数和(自身を含む): 96961536

約数和(自身を除く): 57131956

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4007, 4970, 8014, 9940, 16028, 20035, 28049, 40070, 56098, 80140, 112196, 140245, 280490, 284497, 560980, 568994, 1137988, 1422485, 1991479, 2844970, 3982958, 5689940, 7965916, 9957395, 19914790, 39829580]

約数ペア:

[(1, 39829580), (2, 19914790), (4, 9957395), (5, 7965916), (7, 5689940), (10, 3982958), (14, 2844970), (20, 1991479), (28, 1422485), (35, 1137988), (70, 568994), (71, 560980), (140, 284497), (142, 280490), (284, 140245), (355, 112196), (497, 80140), (710, 56098), (994, 40070), (1420, 28049), (1988, 20035), (2485, 16028), (4007, 9940), (4970, 8014)]