320440432

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{19501}}^1$

素因数の和:19601

約数の個数: 40

約数和(自身を含む): 677109440

約数和(自身を除く): 356669008

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 79, 104, 158, 208, 316, 632, 1027, 1264, 2054, 4108, 8216, 16432, 19501, 39002, 78004, 156008, 253513, 312016, 507026, 1014052, 1540579, 2028104, 3081158, 4056208, 6162316, 12324632, 20027527, 24649264, 40055054, 80110108, 160220216, 320440432]

約数ペア:

[(1, 320440432), (2, 160220216), (4, 80110108), (8, 40055054), (13, 24649264), (16, 20027527), (26, 12324632), (52, 6162316), (79, 4056208), (104, 3081158), (158, 2028104), (208, 1540579), (316, 1014052), (632, 507026), (1027, 312016), (1264, 253513), (2054, 156008), (4108, 78004), (8216, 39002), (16432, 19501)]