98515520

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{9931}}^1$

素因数の和:9979

約数の個数: 56

約数和(自身を含む): 242181888

約数和(自身を除く): 143666368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 9931, 19862, 39724, 49655, 79448, 99310, 158896, 198620, 307861, 317792, 397240, 615722, 635584, 794480, 1231444, 1539305, 1588960, 2462888, 3078610, 3177920, 4925776, 6157220, 9851552, 12314440, 19703104, 24628880, 49257760, 98515520]

約数ペア:

[(1, 98515520), (2, 49257760), (4, 24628880), (5, 19703104), (8, 12314440), (10, 9851552), (16, 6157220), (20, 4925776), (31, 3177920), (32, 3078610), (40, 2462888), (62, 1588960), (64, 1539305), (80, 1231444), (124, 794480), (155, 635584), (160, 615722), (248, 397240), (310, 317792), (320, 307861), (496, 198620), (620, 158896), (992, 99310), (1240, 79448), (1984, 49655), (2480, 39724), (4960, 19862), (9920, 9931)]