90750920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2861}}^1$

素因数の和:2946

約数の個数: 64

約数和(自身を含む): 223579440

約数和(自身を除く): 132828520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 244, 260, 305, 488, 520, 610, 793, 1220, 1586, 2440, 2861, 3172, 3965, 5722, 6344, 7930, 11444, 14305, 15860, 22888, 28610, 31720, 37193, 57220, 74386, 114440, 148772, 174521, 185965, 297544, 349042, 371930, 698084, 743860, 872605, 1396168, 1487720, 1745210, 2268773, 3490420, 4537546, 6980840, 9075092, 11343865, 18150184, 22687730, 45375460, 90750920]

約数ペア:

[(1, 90750920), (2, 45375460), (4, 22687730), (5, 18150184), (8, 11343865), (10, 9075092), (13, 6980840), (20, 4537546), (26, 3490420), (40, 2268773), (52, 1745210), (61, 1487720), (65, 1396168), (104, 872605), (122, 743860), (130, 698084), (244, 371930), (260, 349042), (305, 297544), (488, 185965), (520, 174521), (610, 148772), (793, 114440), (1220, 74386), (1586, 57220), (2440, 37193), (2861, 31720), (3172, 28610), (3965, 22888), (5722, 15860), (6344, 14305), (7930, 11444)]