85495720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{2131}}^1$

素因数の和:2218

約数の個数: 64

約数和(自身を含む): 207230400

約数和(自身を除く): 121734680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 59, 68, 85, 118, 136, 170, 236, 295, 340, 472, 590, 680, 1003, 1180, 2006, 2131, 2360, 4012, 4262, 5015, 8024, 8524, 10030, 10655, 17048, 20060, 21310, 36227, 40120, 42620, 72454, 85240, 125729, 144908, 181135, 251458, 289816, 362270, 502916, 628645, 724540, 1005832, 1257290, 1449080, 2137393, 2514580, 4274786, 5029160, 8549572, 10686965, 17099144, 21373930, 42747860, 85495720]

約数ペア:

[(1, 85495720), (2, 42747860), (4, 21373930), (5, 17099144), (8, 10686965), (10, 8549572), (17, 5029160), (20, 4274786), (34, 2514580), (40, 2137393), (59, 1449080), (68, 1257290), (85, 1005832), (118, 724540), (136, 628645), (170, 502916), (236, 362270), (295, 289816), (340, 251458), (472, 181135), (590, 144908), (680, 125729), (1003, 85240), (1180, 72454), (2006, 42620), (2131, 40120), (2360, 36227), (4012, 21310), (4262, 20060), (5015, 17048), (8024, 10655), (8524, 10030)]