42048440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{571}}^1$

素因数の和:852

約数の個数: 64

約数和(自身を含む): 108725760

約数和(自身を除く): 66677320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 263, 280, 526, 571, 1052, 1142, 1315, 1841, 2104, 2284, 2630, 2855, 3682, 3997, 4568, 5260, 5710, 7364, 7994, 9205, 10520, 11420, 14728, 15988, 18410, 19985, 22840, 31976, 36820, 39970, 73640, 79940, 150173, 159880, 300346, 600692, 750865, 1051211, 1201384, 1501730, 2102422, 3003460, 4204844, 5256055, 6006920, 8409688, 10512110, 21024220, 42048440]

約数ペア:

[(1, 42048440), (2, 21024220), (4, 10512110), (5, 8409688), (7, 6006920), (8, 5256055), (10, 4204844), (14, 3003460), (20, 2102422), (28, 1501730), (35, 1201384), (40, 1051211), (56, 750865), (70, 600692), (140, 300346), (263, 159880), (280, 150173), (526, 79940), (571, 73640), (1052, 39970), (1142, 36820), (1315, 31976), (1841, 22840), (2104, 19985), (2284, 18410), (2630, 15988), (2855, 14728), (3682, 11420), (3997, 10520), (4568, 9205), (5260, 7994), (5710, 7364)]