31363760

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6427}}^1$

素因数の和:6501

約数の個数: 40

約数和(自身を含む): 74127696

約数和(自身を除く): 42763936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 6427, 12854, 25708, 32135, 51416, 64270, 102832, 128540, 257080, 392047, 514160, 784094, 1568188, 1960235, 3136376, 3920470, 6272752, 7840940, 15681880, 31363760]

約数ペア:

[(1, 31363760), (2, 15681880), (4, 7840940), (5, 6272752), (8, 3920470), (10, 3136376), (16, 1960235), (20, 1568188), (40, 784094), (61, 514160), (80, 392047), (122, 257080), (244, 128540), (305, 102832), (488, 64270), (610, 51416), (976, 32135), (1220, 25708), (2440, 12854), (4880, 6427)]