47240840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1019}}^1$

素因数の和:1110

約数の個数: 64

約数和(自身を含む): 113832000

約数和(自身を除く): 66591160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 61, 76, 95, 122, 152, 190, 244, 305, 380, 488, 610, 760, 1019, 1159, 1220, 2038, 2318, 2440, 4076, 4636, 5095, 5795, 8152, 9272, 10190, 11590, 19361, 20380, 23180, 38722, 40760, 46360, 62159, 77444, 96805, 124318, 154888, 193610, 248636, 310795, 387220, 497272, 621590, 774440, 1181021, 1243180, 2362042, 2486360, 4724084, 5905105, 9448168, 11810210, 23620420, 47240840]

約数ペア:

[(1, 47240840), (2, 23620420), (4, 11810210), (5, 9448168), (8, 5905105), (10, 4724084), (19, 2486360), (20, 2362042), (38, 1243180), (40, 1181021), (61, 774440), (76, 621590), (95, 497272), (122, 387220), (152, 310795), (190, 248636), (244, 193610), (305, 154888), (380, 124318), (488, 96805), (610, 77444), (760, 62159), (1019, 46360), (1159, 40760), (1220, 38722), (2038, 23180), (2318, 20380), (2440, 19361), (4076, 11590), (4636, 10190), (5095, 9272), (5795, 8152)]