9945440

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1019}}^1$

素因数の和:1095

約数の個数: 48

約数和(自身を含む): 23904720

約数和(自身を除く): 13959280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1019, 1220, 1952, 2038, 2440, 4076, 4880, 5095, 8152, 9760, 10190, 16304, 20380, 32608, 40760, 62159, 81520, 124318, 163040, 248636, 310795, 497272, 621590, 994544, 1243180, 1989088, 2486360, 4972720, 9945440]

約数ペア:

[(1, 9945440), (2, 4972720), (4, 2486360), (5, 1989088), (8, 1243180), (10, 994544), (16, 621590), (20, 497272), (32, 310795), (40, 248636), (61, 163040), (80, 124318), (122, 81520), (160, 62159), (244, 40760), (305, 32608), (488, 20380), (610, 16304), (976, 10190), (1019, 9760), (1220, 8152), (1952, 5095), (2038, 4880), (2440, 4076)]