40307120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{431}}^1$

素因数の和:618

約数の個数: 80

約数和(自身を含む): 107993088

約数和(自身を除く): 67685968

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 167, 280, 334, 431, 560, 668, 835, 862, 1169, 1336, 1670, 1724, 2155, 2338, 2672, 3017, 3340, 3448, 4310, 4676, 5845, 6034, 6680, 6896, 8620, 9352, 11690, 12068, 13360, 15085, 17240, 18704, 23380, 24136, 30170, 34480, 46760, 48272, 60340, 71977, 93520, 120680, 143954, 241360, 287908, 359885, 503839, 575816, 719770, 1007678, 1151632, 1439540, 2015356, 2519195, 2879080, 4030712, 5038390, 5758160, 8061424, 10076780, 20153560, 40307120]

約数ペア:

[(1, 40307120), (2, 20153560), (4, 10076780), (5, 8061424), (7, 5758160), (8, 5038390), (10, 4030712), (14, 2879080), (16, 2519195), (20, 2015356), (28, 1439540), (35, 1151632), (40, 1007678), (56, 719770), (70, 575816), (80, 503839), (112, 359885), (140, 287908), (167, 241360), (280, 143954), (334, 120680), (431, 93520), (560, 71977), (668, 60340), (835, 48272), (862, 46760), (1169, 34480), (1336, 30170), (1670, 24136), (1724, 23380), (2155, 18704), (2338, 17240), (2672, 15085), (3017, 13360), (3340, 12068), (3448, 11690), (4310, 9352), (4676, 8620), (5845, 6896), (6034, 6680)]