85940440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2689}}^1$

素因数の和:2764

約数の個数: 64

約数和(自身を含む): 209174400

約数和(自身を除く): 123233960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 47, 68, 85, 94, 136, 170, 188, 235, 340, 376, 470, 680, 799, 940, 1598, 1880, 2689, 3196, 3995, 5378, 6392, 7990, 10756, 13445, 15980, 21512, 26890, 31960, 45713, 53780, 91426, 107560, 126383, 182852, 228565, 252766, 365704, 457130, 505532, 631915, 914260, 1011064, 1263830, 1828520, 2148511, 2527660, 4297022, 5055320, 8594044, 10742555, 17188088, 21485110, 42970220, 85940440]

約数ペア:

[(1, 85940440), (2, 42970220), (4, 21485110), (5, 17188088), (8, 10742555), (10, 8594044), (17, 5055320), (20, 4297022), (34, 2527660), (40, 2148511), (47, 1828520), (68, 1263830), (85, 1011064), (94, 914260), (136, 631915), (170, 505532), (188, 457130), (235, 365704), (340, 252766), (376, 228565), (470, 182852), (680, 126383), (799, 107560), (940, 91426), (1598, 53780), (1880, 45713), (2689, 31960), (3196, 26890), (3995, 21512), (5378, 15980), (6392, 13445), (7990, 10756)]