49974280

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1931}}^1$

素因数の和:2589

約数の個数: 32

約数和(自身を含む): 112674240

約数和(自身を除く): 62699960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 1294, 1931, 2588, 3235, 3862, 5176, 6470, 7724, 9655, 12940, 15448, 19310, 25880, 38620, 77240, 1249357, 2498714, 4997428, 6246785, 9994856, 12493570, 24987140, 49974280]

約数ペア:

[(1, 49974280), (2, 24987140), (4, 12493570), (5, 9994856), (8, 6246785), (10, 4997428), (20, 2498714), (40, 1249357), (647, 77240), (1294, 38620), (1931, 25880), (2588, 19310), (3235, 15448), (3862, 12940), (5176, 9655), (6470, 7724)]