49473520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{19949}}^1$

素因数の和:19993

約数の個数: 40

約数和(自身を含む): 118742400

約数和(自身を除く): 69268880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 19949, 39898, 79796, 99745, 159592, 199490, 319184, 398980, 618419, 797960, 1236838, 1595920, 2473676, 3092095, 4947352, 6184190, 9894704, 12368380, 24736760, 49473520]

約数ペア:

[(1, 49473520), (2, 24736760), (4, 12368380), (5, 9894704), (8, 6184190), (10, 4947352), (16, 3092095), (20, 2473676), (31, 1595920), (40, 1236838), (62, 797960), (80, 618419), (124, 398980), (155, 319184), (248, 199490), (310, 159592), (496, 99745), (620, 79796), (1240, 39898), (2480, 19949)]