25066840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{193}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 60341760

約数和(自身を除く): 35274920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 191, 193, 340, 382, 386, 680, 764, 772, 955, 965, 1528, 1544, 1910, 1930, 3247, 3281, 3820, 3860, 6494, 6562, 7640, 7720, 12988, 13124, 16235, 16405, 25976, 26248, 32470, 32810, 36863, 64940, 65620, 73726, 129880, 131240, 147452, 184315, 294904, 368630, 626671, 737260, 1253342, 1474520, 2506684, 3133355, 5013368, 6266710, 12533420, 25066840]

約数ペア:

[(1, 25066840), (2, 12533420), (4, 6266710), (5, 5013368), (8, 3133355), (10, 2506684), (17, 1474520), (20, 1253342), (34, 737260), (40, 626671), (68, 368630), (85, 294904), (136, 184315), (170, 147452), (191, 131240), (193, 129880), (340, 73726), (382, 65620), (386, 64940), (680, 36863), (764, 32810), (772, 32470), (955, 26248), (965, 25976), (1528, 16405), (1544, 16235), (1910, 13124), (1930, 12988), (3247, 7720), (3281, 7640), (3820, 6562), (3860, 6494)]