2019213520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{814199}}^1$

素因数の和:814243

約数の個数: 40

約数和(自身を含む): 4846118400

約数和(自身を除く): 2826904880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 814199, 1628398, 3256796, 4070995, 6513592, 8141990, 13027184, 16283980, 25240169, 32567960, 50480338, 65135920, 100960676, 126200845, 201921352, 252401690, 403842704, 504803380, 1009606760, 2019213520]

約数ペア:

[(1, 2019213520), (2, 1009606760), (4, 504803380), (5, 403842704), (8, 252401690), (10, 201921352), (16, 126200845), (20, 100960676), (31, 65135920), (40, 50480338), (62, 32567960), (80, 25240169), (124, 16283980), (155, 13027184), (248, 8141990), (310, 6513592), (496, 4070995), (620, 3256796), (1240, 1628398), (2480, 814199)]