40760440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{977}}^1$

素因数の和:1144

約数の個数: 64

約数和(自身を含む): 105624000

約数和(自身を除く): 64863560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 149, 280, 298, 596, 745, 977, 1043, 1192, 1490, 1954, 2086, 2980, 3908, 4172, 4885, 5215, 5960, 6839, 7816, 8344, 9770, 10430, 13678, 19540, 20860, 27356, 34195, 39080, 41720, 54712, 68390, 136780, 145573, 273560, 291146, 582292, 727865, 1019011, 1164584, 1455730, 2038022, 2911460, 4076044, 5095055, 5822920, 8152088, 10190110, 20380220, 40760440]

約数ペア:

[(1, 40760440), (2, 20380220), (4, 10190110), (5, 8152088), (7, 5822920), (8, 5095055), (10, 4076044), (14, 2911460), (20, 2038022), (28, 1455730), (35, 1164584), (40, 1019011), (56, 727865), (70, 582292), (140, 291146), (149, 273560), (280, 145573), (298, 136780), (596, 68390), (745, 54712), (977, 41720), (1043, 39080), (1192, 34195), (1490, 27356), (1954, 20860), (2086, 19540), (2980, 13678), (3908, 10430), (4172, 9770), (4885, 8344), (5215, 7816), (5960, 6839)]