8004208240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{28081}}^1$

素因数の和:28610

約数の個数: 80

約数和(自身を含む): 21310868160

約数和(自身を除く): 13306659920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 509, 560, 1018, 2036, 2545, 3563, 4072, 5090, 7126, 8144, 10180, 14252, 17815, 20360, 28081, 28504, 35630, 40720, 56162, 57008, 71260, 112324, 140405, 142520, 196567, 224648, 280810, 285040, 393134, 449296, 561620, 786268, 982835, 1123240, 1572536, 1965670, 2246480, 3145072, 3931340, 7862680, 14293229, 15725360, 28586458, 57172916, 71466145, 100052603, 114345832, 142932290, 200105206, 228691664, 285864580, 400210412, 500263015, 571729160, 800420824, 1000526030, 1143458320, 1600841648, 2001052060, 4002104120, 8004208240]

約数ペア:

[(1, 8004208240), (2, 4002104120), (4, 2001052060), (5, 1600841648), (7, 1143458320), (8, 1000526030), (10, 800420824), (14, 571729160), (16, 500263015), (20, 400210412), (28, 285864580), (35, 228691664), (40, 200105206), (56, 142932290), (70, 114345832), (80, 100052603), (112, 71466145), (140, 57172916), (280, 28586458), (509, 15725360), (560, 14293229), (1018, 7862680), (2036, 3931340), (2545, 3145072), (3563, 2246480), (4072, 1965670), (5090, 1572536), (7126, 1123240), (8144, 982835), (10180, 786268), (14252, 561620), (17815, 449296), (20360, 393134), (28081, 285040), (28504, 280810), (35630, 224648), (40720, 196567), (56162, 142520), (57008, 140405), (71260, 112324)]