65639720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1163}}^1$

素因数の和:1274

約数の個数: 64

約数和(自身を含む): 158397120

約数和(自身を除く): 92757400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 83, 85, 136, 166, 170, 332, 340, 415, 664, 680, 830, 1163, 1411, 1660, 2326, 2822, 3320, 4652, 5644, 5815, 7055, 9304, 11288, 11630, 14110, 19771, 23260, 28220, 39542, 46520, 56440, 79084, 96529, 98855, 158168, 193058, 197710, 386116, 395420, 482645, 772232, 790840, 965290, 1640993, 1930580, 3281986, 3861160, 6563972, 8204965, 13127944, 16409930, 32819860, 65639720]

約数ペア:

[(1, 65639720), (2, 32819860), (4, 16409930), (5, 13127944), (8, 8204965), (10, 6563972), (17, 3861160), (20, 3281986), (34, 1930580), (40, 1640993), (68, 965290), (83, 790840), (85, 772232), (136, 482645), (166, 395420), (170, 386116), (332, 197710), (340, 193058), (415, 158168), (664, 98855), (680, 96529), (830, 79084), (1163, 56440), (1411, 46520), (1660, 39542), (2326, 28220), (2822, 23260), (3320, 19771), (4652, 14110), (5644, 11630), (5815, 11288), (7055, 9304)]