40205672

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20347}}^1$

素因数の和:20385

約数の個数: 32

約数和(自身を含む): 85461600

約数和(自身を除く): 45255928

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 20347, 40694, 81388, 162776, 264511, 386593, 529022, 773186, 1058044, 1546372, 2116088, 3092744, 5025709, 10051418, 20102836, 40205672]

約数ペア:

[(1, 40205672), (2, 20102836), (4, 10051418), (8, 5025709), (13, 3092744), (19, 2116088), (26, 1546372), (38, 1058044), (52, 773186), (76, 529022), (104, 386593), (152, 264511), (247, 162776), (494, 81388), (988, 40694), (1976, 20347)]