2019709520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{814399}}^1$

素因数の和:814443

約数の個数: 40

約数和(自身を含む): 4847308800

約数和(自身を除く): 2827599280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 814399, 1628798, 3257596, 4071995, 6515192, 8143990, 13030384, 16287980, 25246369, 32575960, 50492738, 65151920, 100985476, 126231845, 201970952, 252463690, 403941904, 504927380, 1009854760, 2019709520]

約数ペア:

[(1, 2019709520), (2, 1009854760), (4, 504927380), (5, 403941904), (8, 252463690), (10, 201970952), (16, 126231845), (20, 100985476), (31, 65151920), (40, 50492738), (62, 32575960), (80, 25246369), (124, 16287980), (155, 13030384), (248, 8143990), (310, 6515192), (496, 4071995), (620, 3257596), (1240, 1628798), (2480, 814399)]